Generalities (26)

    • 000 - Knowledge, the book, computers, programming, Internet (24)
    • 010 - Bibliography (0)
    • 020 - Library and information sciences (0)
    • 030 - General encyclopedic works (0)
    • 050 - General serials & their indexes (0)
    • 060 - General organizations & museology (1)
    • 070 - News media, journalism, publishing (7)
    • 080 - General collections (0)
    • 090 - Manuscripts & rare books (2)

Philosophy & psychology (6)

    • 100 - Philosophy & psychology (4)
    • 110 - Metaphysics (0)
    • 120 - Epistemology, causation, humankind (0)
    • 130 - Paranormal phenomena (0)
    • 140 - Specific philosophical schools (0)
    • 150 - Psychology (1)
    • 160 - Logic (0)
    • 170 - Ethics (Moral philosophy) (0)
    • 180 - Ancient, Medieval, Oriental philosophy (0)
    • 190 - Modern Western philosophy (1)

Religion (7)

    • 200 - Religion (2)
    • 210 - Philosophy & theory of religion (0)
    • 220 - Bible (0)
    • 230 - Christianity, Christian theology (0)
    • 240 - Christian moral & devotional theology (0)
    • 250 - Christian orders & local church (0)
    • 260 - Social & ecclesiastical theology (0)
    • 270 - History of Christianity & Christian church (5)
    • 280 - Christian denominations & sects (0)
    • 290 - Other & comparative religions (0)

Social sciences (97)

    • 300 - Social sciences (1)
    • 310 - General statistics (6)
    • 320 - Political science (7)
    • 330 - Economics (51)
    • 340 - Law (16)
    • 350 - Public administration & military science (2)
    • 360 - Social problems & services, associations (2)
    • 370 - Education (6)
    • 380 - Commerce, communications, transport (2)
    • 390 - Customs, etiquette, folklore (4)

Language (14)

    • 400 - Language (11)
    • 410 - Linguistics (3)
    • 420 - English & Old English (0)
    • 430 - Germanic languages, German (0)
    • 440 - Romance languages, French (0)
    • 450 - Italian, Romanian, Rhaeto-Romanic (0)
    • 460 - Spanish & Portuguese languages (0)
    • 470 - Italic, Latin (0)
    • 480 - Hellenic languages, Classical Greek (0)
    • 490 - Other languages (0)

Natural sciences & mathematics (90)

    • 500 - Natural sciences & mathematics (3)
    • 510 - Mathematics (18)
    • 520 - Astronomy & allied sciences (2)
    • 530 - Physics (11)
    • 540 - Chemistry & allied sciences (14)
    • 550 - Earth sciences (14)
    • 560 - Paleontology, Paleozoology (0)
    • 570 - Life sciences, Biology (20)
    • 580 - Plants (4)
    • 590 - Animals (4)

Technology (Applied sciences) (320)

    • 600 - Technology (Applied sciences) (3)
    • 610 - Medical sciences, Medicine (132)
    • 620 - Engineering & allied operations (74)
    • 630 - Agriculture & related technologies (68)
    • 640 - Home economics & family living (1)
    • 650 - Management & auxiliary services (13)
    • 660 - Chemical engineering (19)
    • 670 - Manufacturing (4)
    • 680 - Manufacture for specific uses (3)
    • 690 - Buildings (3)

The arts, Fine & decorative arts (19)

    • 700 - The arts, Fine & decorative arts (2)
    • 710 - Civic & landscape art (3)
    • 720 - Architecture (2)
    • 730 - Plastic arts, Sculpture (0)
    • 740 - Drawing & decorative arts (0)
    • 750 - Painting & paintings (0)
    • 760 - Graphic arts, Printmaking and prints (1)
    • 770 - Photography & photographs (1)
    • 780 - Music (5)
    • 790 - Recreational & performance arts (5)

Literature (24)

    • 800 - Literature & rhetoric (17)
    • 810 - American literature in English (3)
    • 820 - English & Old English literatures (3)
    • 830 - Literatures of Gemanic languages, German literature (0)
    • 840 - Literature of Romance languages, French literature (0)
    • 850 - Italian, Romanian, Rhaeto-Romanic literatures (0)
    • 860 - Spanish & Portuguese literature (0)
    • 870 - Italic literatures, Latin (0)
    • 880 - Hellenic literatures, Classical Greek (0)
    • 890 - Literatures of other languages (1)

Geography & history (17)

    • 900 - Geography & history (8)
    • 910 - Georgaphy & travel (0)
    • 920 - Biography, geneology, insignia (0)
    • 930 - History of ancient world (0)
    • 940 - General history of Europe (8)
    • 950 - General history of Asia, Far East (1)
    • 960 - General history of Africa (0)
    • 970 - General history of North America (0)
    • 980 - General history of South America (0)
    • 990 - General history of other areas (0)