| All
English books in the library are classified according to the following system Dewey Decimal Classification System |
|||
| 000Generalities | 100 Philosophy and Psychology | ||
| 010 | Bibliography | 110 | Metaphysics |
| 020 | Library & information sciences | 120 | Epistemology, causation, humankind |
| 030 | General encyclopedic works | 130 | Paranormal phenomena, Occult |
| 040 | Unassigned | 140 | Specific philosophical schools |
| 050 | General serials & their indexes | 150 | Psychology |
| 060 | General organizations & museology | 160 | Logic |
| 070 | News media, journalism, publishing | 170 | Ethics (moral philosophy) |
| 080 | General collections | 180 | Ancient, medieval, Oriental philosophy |
| 090 | Manuscripts & rare books | 190 | Modern Western philosophy |
| 200Religion | 300 Social sciences | ||
| 210 | Natural theology | 300 | Sociology and anthropology |
| 220 | Bible | 310 | General statistics |
| 230 | Christian theology | 320 | Political science |
| 240 | Christian moral & devotional theology | 330 | Economics |
| 250 | Christian orders & local church | 340 | Law |
| 260 | Christian social theology | 350 | Public administration |
| 270 | Christian church history | 360 | Social services; associations |
| 280 | Christian denominations & sects | 370 | Education |
| 290 | Other & comparative religions | 380 | Commerce, communications, transport |
| 390 | Customs, etiquette, folklore |
||
| 400 Language | 500 Natural sciences & mathematics | ||
| 410 | Linguistics | 510 | Mathematics |
| 420 | English & Old English |
520 | Astronomy & allied sciences |
| 430 | Germanic languages German | 530 | Physics |
| 440 | Romance languages French | 540 | Chemistry & allied sciences |
| 450 | Italian, Romanian languages | 550 | Earth sciences |
| 460 | Spanish & Portuguese languages | 560 | Paleontology, paleozoology |
| 470 | ltalic languages, Latin | 570 | Life sciences |
| 480 | Hellenic languages, Classical Greek | 580 | Botanical sciences |
| 490 | Other languages | 590 | Zoological sciences |
| 600 Technology (Applied sciences) | 700 The Arts | ||
| 600 | General technology | 710 | Civic & landscape art |
| 610 | Medical sciences and medicine | 720 | Architecture |
| 620 | Engineering & allied operations | 730 | Plastic arts, sculpture |
| 630 | Agriculture | 740 | Drawing & decorative arts |
| 640 | Home economics & family living | 750 | Painting & paintings (museums) |
| 650 | Management & auxiliary services | 760 | Graphic arts, printmaking & prints, postage stamps |
| 660 | Chemical engineering | 770 | Photography & photographs |
| 670 | Manufacturing | 780 | Music |
| 680 | Manufacture for specific uses | 790 | Recreational & performing arts |
| 690 | Buildings | ||
| 800 Literature & rhetoric | 900 Geography & history | ||
| 810 | American literature | 900 | World History |
| 820 | English & Old English literatures | 910 | Geography and travel |
| 830 | Literatures of Germanic languages | 920 | Biography, genealogy, insignia |
| 840 | Literatures of Romance languages | 930 | History of the ancient world |
| 850 | Italian, Romanian literatures | 940 | General history of Europe |
| 860 | Spanish & Portuguese literatures | 950 | General history of Asia, Far East |
| 870 | Italic literatures, Latin | 960 |
General history of Africa |
| 880 | Hellenic literatures, Classical Greek | 970 | General history of North America |
| 890 | Literatures of other languages | 980 | General history of South America |
| 990 | General history of other areas | ||