's Bookmarks
0 Knowledge
01 Logic
- 01The History and Kinds of Logic
011 History and Philosophy of Logic
012 Formal Logic, Metalogic, and Applied Logic
02 Mathematics
021 History and Foundations of Mathematics
- 021The Foundations of Mathematics
- 021The History of Mathematics
022 Branches of Mathematics
- 022Algebra
- 022Analysis (in Mathematics)
- 022Arithmetic
- 022Combinatorics and Combinatorial Geometry
- 022Geometry
- 022Number Games and Other Mathematical Recreations
- 022Number Theory
- 022Probability Theory
- 022Set Theory
- 022Topology
- 022Trigonometry
023 Applications of Mathematics
- 023Automata Theory
- 023Game Theory
- 023Information Theory
- 023Numerical Analysis
- 023The Mathematical Theory of Optimization
- 023Statistics
03 Science
031 History and Philosophy of Science
- 031Archimedes
- 031Niels Bohr
- 031Nicolaus Copernicus
- 031Charles Darwin
- 031Thomas Alva Edison
- 031Albert Einstein
- 031Michael Faraday
- 031Galileo
- 031Carl Friedrich Gauss
- 031William Harvey
- 031Werner Heisenberg
- 031Hermann von Helmholtz
- 031Kelvin
- 031Johannes Kepler
- 031Antoine-Laurent Lavoisier
- 031James Clerk Maxwell
- 031Sir Isaac Newton
- 031Louis Pasteur
- 031Max Planck
- 031Ernest Rutherford
- 031The History of Science
032 The Physical Sciences
- 032Principles of Physical Science
- 032The Physical Sciences
033 The Earth Sciences
- 033The Earth Sciences
034 The Biological Sciences
- 034The Biological Sciences
035 Medicine and Affiliated Disciplines
- 035Medicine
036 The Social Sciences and Psychology and Linguistics
- 036Linguistics
- 036The Social Sciences
037 The Technological Sciences
- 037Drafting
- 037Engineering
- 037Industrial Engineering and Production Management
- 037Materials Science
- 037The History of Technology
04 History and the Humanities
041 Historiography and the Study of History
- 041The Study of History
042 The Humanities and Humanistic Scholarship
- 042Desiderius Erasmus
- 042Humanism
05 Philosophy
051 History of Philosophy
- 051The History of Western Philosophy
- 051The History of Western Political Philosophy
- 051Classical Scholarship
052 The Nature and the Divisions of Philosophy
- 052Aesthetics
- 052Epistemology
- 052Ethics
- 052Indian Philosophy
- 052Metaphysics
- 052The Philosophy of Mind
- 052Philosophical Anthropology
- 052Philosophies of the Branches of Knowledge
- 052Rhetoric
053 Philosophical Schools and Doctrines
- 053Aristotle and Aristotelianism
- 053Augustine
- 053Francis Bacon
- 053René Descartes and Cartesianism
- 053Hegel and Hegelianism
- 053David Hume
- 053Immanuel Kant and Kantianism
- 053John Locke
- 053Karl Marx and Marxism
- 053John Stuart Mill
- 053Friedrich Nietzsche
- 053Blaise Pascal
- 053Western Philosophical Schools and Doctrines
- 053Plato and Platonism
- 053Jean-Jacques Rousseau
- 053Adam Smith
- 053Socrates
- 053Thomas Aquinas and Thomism
06 Preservation of Knowledge
061 Institutions and Techniques for the Collection, Storage, Dissemination, and Preservation of
- 061Libraries
- 061Museums
062 Storage and Retrieval of Information
- 062Encyclopaedias and Dictionaries
063 Institutions for the Advancement and Dissemination of Knowledge
- 063Publishing
1 Matter and Energy
- 1Time
11 Atoms: Atomic Nuclei and Elementary Particles
111 The Structure and Properties of Atoms
- 111Atoms: Their Structure, Properties, and Component Particles
112 The Atomic Nucleus and Elementary Particles
- 112Particle Accelerators
- 112Subatomic Particles
12 Energy, Radiation, and the States and Transformation of Matter
- 12Radiation
121 Chemical Elements: Periodic Variation in Their Properties
- 121Chemical Elements
122 Chemical Compounds: Molecular Structure and Chemical Bonding
- 122Physical and Chemical Analysis and Measurement
- 122Chemical Bonding
- 122Chemical Compounds
123 Chemical Reactions
- 123Chemical Reactions
124 Heat, Thermodynamics, and the Nonsolid States of Matter
- 124Matter: Its Properties, States, Varieties, and Behaviour
- 124Principles of Thermodynamics
125 The Solid State of Matter
126 Mechanics of Particles, Rigid Bodies, and Deformable Bodies: Elasticity, Vibrations, and Flow
- 126Gravitation
- 126Mechanics: Energy, Forces, and Their Effects
- 126Relativity
- 126Sound
127 Electricity and Magnetism
- 127Colour
- 127Electricity and Magnetism
- 127Electromagnetic Radiation
- 127Light
- 127Principles of Optics
128 Waves and Wave Motion
13 The Universe: Galaxies, Stars, the Solar System
131 The Cosmos
- 131The Cosmos
132 Galaxies and Stars
- 132Galaxies
- 132Nebula
- 132Stars and Star Clusters
133 The Solar System
- 133Calendar
- 133Eclipse, Occultation, and Transit
- 133The Solar System
2 Earth
21 The Earth's Properties, Structure, and Composition
- 21The Earth: Its Properties, Composition, and Structure
211 The Planet Earth
212 The Earth's Physical Properties
213 The Structure and Composition of the Earth's Interior
214 The Earth's Constituent Minerals and Rocks
- 214Minerals and Rocks
22 The Earth's Envelope: Its Atmosphere and Hydrosphere
221 The Atmosphere
- 221Atmosphere
222 The Hydrosphere: the Oceans, Freshwater Bodies, and Ice Masses
- 222The Arctic
- 222The Atlantic Ocean
- 222The Hydrosphere
- 222Ice and Ice Formations
- 222The Indian Ocean
- 222Lakes
- 222Oceans
- 222The Pacific Ocean
- 222Rivers
223 Weather and Climate
- 223Climate and Weather
23 The Earth's Surface Features
- 23Africa
- 23Antarctica
- 23Asia
- 23Australia
- 23Continental Landforms
- 23Europe
- 23North America
- 23South America
231 Physical Features of the Earth's Surface
- 231Geography
- 231Soils
232 Features Produced by Geomorphic Processes Acting on the Earth's Surface
- 232Earthquakes
- 232Volcanism
24 The Earth's History
241 Origin and Development of the Earth and Its Envelopes
- 241Plate Tectonics
242 The Interpretation of the Geologic Record
- 242Geochronology: The Interpretation and Dating of the Geologic Record
243 The Eras and Periods of Geologic Time
3 Life
- 3Life
31 The Nature and Diversity of Living Things
311 Characteristics of Living Things
- 311Biological Coloration
312 The Origin of Life and the Evolution of Living Things
- 312The Theory of Evolution
313 The Classification of Living Things
- 313Algae
- 313Amphibians
- 313Angiosperms: The Flowering Plants
- 313Animals
- 313Annelids
- 313Arachnids
- 313Arthropods
- 313Aschelminths
- 313Bacteria and Other Monerans
- 313Birds
- 313Bryophytes
- 313Chordates
- 313Cnidarians
- 313Crustaceans
- 313Dinosaurs
- 313Echinoderms
- 313Ferns and Other Lower Vascular Plants
- 313Fishes
- 313Flatworms: Phylum Platyhelminthes
- 313Fungi
- 313Gymnosperms
- 313Insects
- 313Lamp Shells: Phylum Brachiopoda
- 313Mammals
- 313Mollusks
- 313Moss Animals: Phylum Bryozoa
- 313Plants
- 313Protists
- 313Protozoa
- 313Reptiles
- 313Sponges: Phylum Porifera
- 313Trees
- 313Viruses
32 The Molecular Basis of Vital Processes
321 Chemicals and the Vital Processes
- 321Proteins
- 321Carbohydrates
- 321Lipids
- 321Nucleic Acids
- 321Vitamins
- 321Hormones
322 Metabolism: Bioenergetics and Biosynthesis
323 Vital Processes at the Molecular Level
- 323Photosynthesis
33 The Structures and Functions of Organisms
331 The Cellular Basis of Form and Function
- 331Cells: Their Structures and Functions
332 The Relation of Form and Function in Organisms
333 Coordination of Vital Processes: Regulation and Integration
- 333Endocrine Systems
- 333Nerves and Nervous Systems
- 333Sensory Reception
334 Covering and Support: Integumentary, Skeletal, and Musculatory Systems
- 334Integumentary Systems
- 334Muscles and Muscle Systems
- 334Supportive and Connective Tissues
335 Nutrition: the Procurement and Processing of Nutrients
- 335Digestion and Digestive Systems
- 335Excretion and Excretory Systems
- 335Metabolism
336 Gas Exchange, Internal Transport, and Elimination
- 336Circulation and Circulatory Systems
- 336Respiration and Respiratory Systems
337 Reproduction and Sex
- 337Reproduction and Reproductive Systems
- 337Sex and Sexuality
338 Development: Growth, Differentiation, and Morphogenesis
- 338Biological Growth and Development
339 Heredity: the Transmission of Traits
- 339The Principles of Genetics and Heredity
34 Behavioral Responses of Organisms
341 Nature and Patterns of Behavioral Responses
- 341Animal Behaviour
- 341Mimicry
342 Development and Range of Behavioral Capacities: Individual and Group Behavior
- 342Animal Learning
35 The Biosphere: the World of Living Things
351 Basic Features of the Biosphere
- 351The Biosphere and Concepts of Ecology
352 Biological Populations and Communities
353 Hazards of Life in the Biosphere: Disease and Death
354 Biogeographic Distribution of Organisms: Ecosystems
355 The Place of Humans in the Biosphere
- 355Domestic Cats
- 355Dogs
- 355Horses and Horsemanship
4 Humankind
41 Stages in the Development of Human Life on Earth
411 Human Evolution
- 411Human Evolution
412 Human Heredity: the Races of Mankind
42 The Human Organism: Health and Disease
- 42Alcohol and Drug Consumption
421 The Structures and Functions of the Human Body
- 421Blood
422 Human Health
- 422Exercise and Physical Conditioning
- 422Immunity
- 422Nutrition
- 422Sleep and Dreams
423 Human Diseases
- 423Cancer
- 423Childhood Diseases and Disorders
- 423Disease
- 423Infectious Diseases
- 423Mental Disorders and Their Treatment
- 423Occupational Diseases and Disorders
- 423Poisons and Poisoning
424 The Practice of Medicine and the Care of Health
- 424Birth Control
- 424Death
- 424Diagnosis and Therapeutics
- 424Drugs and Drug Action
- 424Organ and Tissue Transplants
43 Human Behavior and Experience
- 43Psychological Tests and Measurement
431 Human Nature and Experience: General Considerations
432 Influence of the Current Environment on a Person's Behavior and Conscious Experience: Attention, Sensation, and Perception
- 432Attention
- 432Human Perception
433 Current Internal States Affecting a Person's Behavior and Conscious Experience
- 433Human Emotion
- 433Human Motivation
434 Persisting Capacities and Inclinations That Influence Human Behavior and Conscious Experience
- 434Memory
435 Development of a Person's Potentials: Learning and Thinking
- 435The Development of Human Behaviour
- 435Human Intelligence
- 435Human Learning and Cognition
- 435Thought and Thought Processes
436 Personality and the Self: Integration and Disintegration of the Person as a Whole
- 436Sigmund Freud
- 436Personality
5 Society and Culture
51 Social Groups: Peoples and Cultures
511 Peoples and Cultures of the World
- 511Native American Peoples
- 511Asian Peoples and Cultures
512 The Development of Human Culture
513 Major Cultural Components and Institutions of Human Societies
- 513The Concept and Components of Culture
514 Language and Communication
- 514Communication
- 514Language
- 514Languages of the World
- 514Names
- 514Speech
- 514Writing
515Nations and Political Regions
-
- 515Afghanistan
- 515Arabia
- 515Argentina
- 515Austria
- 515Balkan States
- 515Bangladesh
- 515Belarus
- 515Belgium
- 515Bhutan
- 515Bolivia
- 515Brazil
- 515Canada
- 515Central Africa
- 515Central America
- 515Central Asia
- 515Chile
- 515China
- 515Colombia
- 515Cyprus
- 515Czech and Slovak Republics
- 515Denmark
- 515Eastern Africa
- 515Ecuador
- 515Egypt
- 515Finland
- 515France
- 515Germany
- 515Greece
- 515Guyana
- 515Hungary
- 515Iceland
- 515India
- 515Indonesia
- 515Iran
- 515Iraq
- 515Ireland
- 515The Islamic World
- 515Israel
- 515Italy
- 515Japan
- 515Jordan
- 515Korea
- 515Lebanon
- 515Luxembourg
- 515Madagascar
- 515Malta
- 515Mexico
- 515Mongolia
- 515Nepal
- 515The Netherlands
- 515New Zealand
- 515North Africa
- 515Norway
- 515Pacific Islands
- 515Pakistan
- 515Paraguay
- 515Peru
- 515Philippines
- 515Poland
- 515Portugal
- 515Russia
- 515Southeast Asia
- 515Southern Africa
- 515Spain
- 515Sri Lanka
- 515The Sudan
- 515Suriname
- 515Sweden
- 515Switzerland
- 515Syria
- 515Taiwan
- 515Transcaucasia
- 515Turkey and Ancient Anatolia
- 515Ukraine
- 515Union of Soviet Socialist Republics
- 515United Kingdom
- 515United States of America
- 515Uruguay
- 515Venezuela
- 515The West Indies
- 515Western Africa
516Cities
-
- 516Alexandria
- 516Amsterdam
- 516Antwerp
- 516Athens
- 516Baghdad
- 516Baltic States
- 516Bankok
- 516Barcelona
- 516Beirut
- 516Berlin
- 516Bombay
- 516Boston
- 516Brussels
- 516Budapest
- 516Buenos Aires
- 516Cairo
- 516Calcutta
- 516Canton
- 516Cape Town
- 516Caracas
- 516Chicago
- 516Chungking
- 516Cologne
- 516Damascus
- 516Delhi
- 516Dublin
- 516Edinburgh
- 516Florence
- 516Geneva
- 516Hamburg
- 516Havana
- 516Hong Kong
- 516Istanbul
- 516Jakarta
- 516Jerusalem
- 516Johannesburg
- 516Karachi
- 516Kiev
- 516Kinshasa
- 516Kyoto
- 516Lima
- 516Lisbon
- 516London
- 516Los Angeles
- 516Madrid
- 516Manchester
- 516Manila
- 516Marseille
- 516Melbourne
- 516Mexico City
- 516Milan
- 516Montreal
- 516Moscow
- 516Nanking
- 516Naples
- 516New Orleans
- 516New York City
- 516Osaka-Kobe Metropolitan Area
- 516Palestine
- 516Paris
- 516Peking
- 516Philadelphia
- 516Prague
- 516Rio de Janeiro
- 516Rome
- 516Saint Petersburg
- 516San Francisco
- 516Săo Paulo
- 516Seoul
- 516Shanghai
- 516Sydney
- 516Tientsin
- 516Tokyo-Yokohama Metropolitan Area
- 516Toronto
- 516Venice
- 516Vienna
- 516Warsaw
- 516Washington, D.C.
52 Social Organization and Social Change
521 Social Structure and Change
- 521Social Structure and Change
522 The Group Structure of Society
- 522Collective Behaviour
- 522Family and Kinship
523 Social Status
524 Human Populations: Urban and Rural Communities
- 524Cities
- 524Population
53 The Production, Distribution, and Utilization of Wealth
- 53Conservation of Natural Resources
531 Economic Concepts, Issues, and Systems
- 531Acounting
- 531Banks and Banking
- 531Economic Systems
- 531Economic Theory
- 531Insurance
- 531Money
- 531Public Administration
- 531Industrial and Organizational Relations
- 531Labour Economics
- 531Organized Labour: Trade Unionism
532 The Consumer and the Market: Pricing and the Mechanisms for Distributing Goods
- 532International Trade
533 The Organization of Production and Distribution
- 533Coins and Coinage
- 533Marketing and Merchandising
- 533Markets
- 533History of the Organization of Work
534 The Distribution of Income and Wealth
- 534Social Welfare
- 534Taxation
535 Macroeconomics
536 Economic Growth and Planning
- 536Economic Growth and Planning
- 536Government Finance
54 Politics and Government
541 Political Theory
- 541The Forms of Government: Their Historical Development
- 541Human Rights
- 541Ideology
- 541Land Reform and Tenure
- 541Political Systems
- 541Socialism
- 541Communism
- 541Anarchism
- 541Fascism
- 541Nationalism
- 541Liberalism
- 541Conservatism
542 Political Institutions: the Structure, Branches, and Offices of Government
- 542Constitution and Constitutional Government
- 542Intelligence and Counterintelligence
543 The Functioning of Government: the Dynamics of the Political Process
- 543Diplomacy
- 543Political Parties and Interest Groups
- 543Propaganda
- 543Public Opinion
544 International Relations: Peace and War
- 544United Nations
55 Law
551 Philosophies and Systems of Law; the Practice of Law
- 551Judicial and Arbitrational Systems
- 551The Profession and Practice of Law
- 551The Evolution of Modern Western Legal Systems
- 551Police
- 551Procedural Law
552 Branches of Public Law, Substantive and Procedural
- 552Constitutional Law
- 552International Law
- 552Transportation Law
553 Branches of Private Law, Substantive and Procedural
- 553Business Law
- 553Business Organization
- 553Crime and Punishment
- 553Criminal Law
- 553Family Law
- 553Inheritance and Succession
- 553Property Law
- 553Slavery
- 553Torts
56 Education
561 The Aims and Organization of Education
- 561History of Education
- 561Teaching
562 Education Around the World
57 Subsistence and Leisure
571 The Means of Subsistence
572 Leisure and play
- 572Circus
- 572Gastronomy
- 572Olympic Games
- 572Major Team and Individual Sports
6 Art
61 Art in General
- 61Folk Arts
- 61Masks
611 Theory and Classification of the Arts
- 611Practice and Profession of the Arts
612 Experience and Criticism of Works of Art; the Nonaesthetic Context of Art
- 612Censorship
613 Characteristics of the Arts in Particular Cultures
- 613African Arts
- 613Arts of Native American Peoples
- 613Central Asian Arts
- 613East Asian Arts
- 613Ancient Egyptian Arts and Architecture
- 613Islamic Arts
- 613Ancient Middle Eastern Arts and Architecture
- 613Oceanic Arts
- 613South Asian Arts
- 613Southeast Asian Arts
62 The Particular Arts
621 Literature
- 621American Literature
- 621Literatures of Australia and New Zealand
- 621Belgian Literature
- 621Canadian Literature
- 621Caricature, Cartoon, and Comic Strip
- 621Celtic Literature
- 621Miguel de Cervantes
- 621Geoffrey Chaucer
- 621Chinese Literature
- 621Dante
- 621Charles Dickens
- 621Fyodor Dostoyevsky
- 621Dutch Literature
- 621English Literature
- 621French Literature
- 621German Literature
- 621Johann Wolfgang von Goethe
- 621Aeschylus
- 621Greek Literature
- 621Hebrew Literature
- 621The Homeric Epics
- 621Humour and Wit
- 621Hungarian Literature
- 621Italian Literature
- 621Japanese Literature
- 621Samuel Johnson
- 621Korean Literature
- 621Latin-American Literature
- 621Latin Literature
- 621The Art of Literature
- 621The History of Western Literature
- 621John Milton
- 621Moličre
- 621Michel de Montaigne
- 621Polish Literature
- 621Portuguese Literature
- 621Russian Literature
- 621Scandinavian Literature
- 621William Shakespeare
- 621Spanish Literature
- 621Leo Tolstoy
- 621Virgil
- 621Voltaire
- 621Yiddish Literature
- 621Sophocles
- 621Euripides
- 621Aristophanes
622 Theatre
- 622Puppetry
- 622The Art of the Theatre
- 622The History of Western Theatre
- 622Theatrical Production
623 Motion Pictures
- 623Motion Pictures
624 Music
- 624Johann Sebastian Bach
- 624Ludwig van Beethoven
- 624Wolfgang Amadeus Mozart
- 624The Art of Music
- 624The History of Western Music
- 624Musical Forms and Genres
- 624Musical Instruments
625 Dance
- 625The Art of Dance
- 625The History of Western Dance
626 Architecture, Garden and Landscape Design, and Urban Design
- 626The Art of Architecture
- 626The History of Western Architecture
- 626Garden and Landscape Design
- 626Gardening and Horticulture
627 Sculpture
- 627The Art of Sculpture
- 627The History of Western Sculpture
628 Drawing, Painting, Printmaking, and Photography
- 628Drawing
- 628Leonardo da Vinci
- 628Michelangelo
- 628The Art of Painting
- 628The History of Western Painting
- 628Photography
- 628Pablo Picasso
- 628Printing, Typography, and Photoengraving
- 628Printmaking
- 628Rembrandt
- 628Titian
- 628Diego Velázquez
629 Arts of Decoration and Functional Design
- 629Decorative Arts and Furnishings
- 629Dress and Adornment
- 629Heraldry
7 Technology
71 The Nature and Development of Technology
711 Technology: Its Scope and History
712 The Organization of Human Work
- 712Henry Ford
72 Elements of Technology
721 Technology of Energy Conversion and Utilization
- 721Energy Conversion
722 Technology of Tools and Machines
- 722Tools
723 Technology of Measurement, Observation, and Control
- 723Measurement Systems
- 723Microscopes
- 723Radar
- 723Telescopes
724 Extraction and Conversion of Industrial Raw Materials
- 724Fossil Fuels
- 724Industrial Glass and Ceramics
- 724Chemical Industry
- 724Extraction and Processing Industries
- 724Salt
- 724Soaps and Detergents
- 724Dyes
- 724Pharmaceutical Industry
- 724Explosives
- 724Rubber
- 724Plastics and Resins
- 724Man-made Fibres
- 724Paints and Varnishes
- 724Adhesives
- 724Papermaking
725 Technology of Industrial Production Processes
73 Major Fields of Technology
731 Agriculture and Food Production
- 731Agricultural Sciences
- 731The History of Agriculture
- 731Tea
- 731Farming and Agricultural Technology
- 731Commercial Fishing
- 731Food Processing
- 731Forestry and Wood Production
- 731Coffee
- 731Beer
- 731Wine
- 731Distilled Spirits
- 731Soft Drinks
732 Technology of the Major Industries
- 732Automotive Industry
- 732Textile Industries
- 732Aerospace Industry
- 732Ship Construction
- 732Clothing and Footwear Industry
- 732Floor Coverings
- 732Furniture Industry
733 Construction Technology
- 733Building Construction
- 733Roads and Highways
- 733Bridges
734 Transportation Technology
- 734Navigation
- 734Transportation
- 734Canals and Inland Waterways
- 734Dams
- 734Harbours and Sea Works
- 734Lighthouses
- 734Environmental Works
- 734Airports
- 734Tunnels and Underground Excavation
735 Technology of Information Processing and of Communications Systems
- 735Automation
- 735Broadcasting
- 735Computer Science
- 735Computers
- 735Cryptology
- 735Electronics
- 735Information Processing and Information Systems
- 735Postal Systems
- 735Telecommunications Systems
736 Military Technology
- 736The Technology of War
- 736The Theory and Conduct of War
737 Technology of the Urban Community
- 737Modernization and Industrialization
738 Technology of Earth and Space Exploration
- 738Exploration
- 738Mapping and Surveying
8 Religion
81 Religion in General
811 Knowledge and Understanding of Religion
- 811The Study and Classification of Religions
- 811Religious Experience
- 811Religious Symbolism and Iconography
- 811Theology
812 The Religious Life: Institutions and Practices
- 812Religious Doctrines and Dogmas
- 812Systems of Religious and Spiritual Belief
- 812Sacred Rites and Ceremonies
- 812Sacred Offices and Orders
82 The Particular Religions
821 Prehistoric Religion and Primitive Religion
- 821Myth and Mythology
- 821Occultism
822 Religions of Ancient Peoples
- 822Ancient European Religions
- 822Ancient Middle Eastern Religions
- 822Mystery Religions
823 Hinduism and Other Religions of India
- 823Hinduism
- 823Jainism
- 823Sikhism
824 Buddhism
- 824The Buddha and Buddhism
825 Indigenous Religions of East Asia: Religions of China, Korea, and Japan
- 825Confucius and Confucianism
- 825Shinto
- 825Taoism
826 Judaism
- 826Judaism
- 826Moses
827 Christianity
- 827Biblical Literature and Its Critical Interpretation
-
- 827John Calvin and Calvinism
- 827Christianity
- 827Eastern Orthodoxy
- 827Jesus: The Christ and Christology
- 827Martin Luther
- 827The Apostle Paul
- 827Protestantism
- 827Roman Catholicism
828 Islam
- 828Muhammad and the Religion of Islam
- 828Mecca and Medina
829 Other Religions and Religious Movements in the Modern World
- 829Zoroastrianism and Parsiism
9 History
- 9European History and Culture
- 9Prehistoric Peoples and Cultures
- 9The History of the Eurasian Steppe
91 Ancient Southwest Asia, North Africa, and Europe
911 Early Peoples and Civilizations of Southwest Asia and Egypt, the Aegean, and North Africa
- 911The History of Ancient Mesopotamia
912 Peoples of Ancient Europe and the Classical Civilizations of the Ancient Mediterranean World to AD 395
- 912Alexander the Great
- 912Augustus
- 912Caesar
- 912Constantine the Great
- 912Ancient Greek and Roman Civilizations
92 Medieval Europe, North Africa, and Southwest Asia
921 Western Europe, the Byzantine (Eastern Roman) Empire, and Eastern Europe from AD 395 to c 1050
- 921The History of the Byzantine Empire
- 921Charlemagne
922 The Formative Period in Islamic History, from AD 622 to c 1055
923 Western Christendom in the High and Later Middle Ages (c 1050-c 1500)
- 923The House of Habsburg
- 923The History of the Holy Roman Empire
- 923Joan of Arc
924 The Crusading Movement, the Islamic States of Southwest Asia, North Africa, and Europe, and the States of Eastern Christendom from c 1050 to c 1480
- 924The Crusades
93 Peoples and Traditional Civilizations of East, Central, South, and Southeast Asia
931 China to the Beginning of the Late T'ang (AD 755)
932 China from the Late T'ang (AD 755) to the Late Ch'ing (c 1839)
933 Inner (Central and Northeast) Asia to c 1750
- 933Genghis Khan
934 Japan to the Meiji Restoration (1868), and Korea to 1910
935 The Indian Subcontinent and Ceylon to c AD 1200
936 The Indian Subcontinent from c 1200 to 1761, and Ceylon from c 1200 to 1505
937 The Peoples and Civilizations of Southeast Asia to c 1600
94 Sub-Saharan Africa to 1885
941 West Africa to c 1885
942 The Nilotic Sudan and Ethiopia from c AD 550 to 1885
943 East Africa and Madagascar to c 1885
944 Central Africa to c 1885
945 Southern Africa to c 1885
95 Pre-Columbian America
- 95Pre-Columbian Civilizations
951 Andean Civilization to c AD 1540
952 Meso-American Civilization to c AD 1540
96 The Modern World to 1920
- 96The History of European Overseas Exploration and Empires
961 Western Europe from c 1500 to c 1789
- 961The House of Bourbon
- 961Christopher Columbus
- 961Oliver Cromwell
- 961Elizabeth I of England
- 961Frederick the Great
- 961Peter I the Great, of Russia
- 961Victoria and the Victorian Age
- 961Arthur Wellesley, 1st Duke of Wellington
962 Eastern Europe, Southwest Asia, and North Africa from c 1480 to c 1800
963 Europe from 1789 to c 1920
- 963Otto von Bismarck
- 963Vladimir Ilich Lenin
- 963Napoleon
964 European Colonies in the Americas from 1492 to c 1790
- 964Benjamin Franklin
- 964George Washington
965 Development of the United States and Canada from 1763 to 1920
- 965Thomas Jefferson
- 965Abraham Lincoln
966 Development of the Latin-American and Caribbean Nations to c 1920
- 966The History of Latin America
967 Australia and Oceania to c 1920
968 South Asia Under the Influence of European Imperialism from c 1500 to c 1920
969 Southeast Asia Under the Influence of European Imperialism to c 1920
9610 China from 1839 Until the Onset of Revolution (to c 1911), and Japan from the Meiji Restoration to c 1910
9611 Southwest Asia and North Africa (c 1800-1920), and Sub-Saharan Africa (1885-c 1920) Under the Influence of European Imperialism: the Early Colonial Period
97 The World Since 1920
971 International Movements, Diplomacy, and War Since 1920
- 97120th-Century International Relations
- 971The World Wars
972 Europe Since c 1920
- 972Sir Winston Churchill
- 972Adolf Hitler
- 972Joseph Stalin
973 The United States and Canada Since 1920
- 973Franklin D. Roosevelt
974 Latin-American and Caribbean Nations Since c 1920
975 East Asia: China in Revolution, the Era of Japanese Hegemony, and the Influence of the United States in the 20th Century
- 975Mao Zedong
976 South and Southeast Asia: the Late Colonial Period and the Emergence of New Nations Since 1920 Australia and Oceania Since 1920
- 976Mahatma Gandhi
977 Australia and Oceania Since 1920
978 Southwest Asia and Africa: the Late Colonial Period and the Emergence of New Nations in the 20th Century
- 978Atatürk