| 6th Floor |
| A: General Works |
| AC |
Collection. Series
|
| AE |
Encyclopedias
|
| AG |
General Reference Works
|
| AY |
Yearbooks, Almanacs, Directories
|
| AZ |
History of the science in general |
| B: Philosophy & Religion |
| B-BJ |
Philosophy
|
| BF |
Psychology
|
| BL-BX |
Religion & Theology |
| C: History |
| CB |
History of Civilzation (General)
|
| CC |
Antiquities & Archaeology
|
| CJ |
Numismatics & Coins
|
| CR-CS |
Heraldry & Genealogy
|
| CT |
Biography |
| D: History & Topography (except the Americas) |
| D |
General History
|
| DA |
Great Britain
|
| DB-DR |
Europe
|
| DS-DT |
Asia & Africa
|
| DU |
Australia & Oceania |
| E-F: History & Topography of the Americas |
| E 1-135 |
Americas (General)
|
| E 151-810 |
United States (General)
|
| F 1-970 |
United States (Local)
|
| F 1001-3799 |
Americas (except United States) |
| 5th Floor |
| G: Geography & Anthropology |
| G |
Geography (General)
|
| GA |
Mathematical geography & Cartography
|
| GB |
Physical geography
|
| GC |
Oceanology & Oceanography
|
| GN-GT |
Anthropology, Folklore & Customs
|
| GV |
Sports & Amusements; Games |
| H: Social Sciences |
| H |
Social Sciences (General)
|
| HA |
Statistics
|
| HB-HJ |
Economics
|
| HM-HX |
Sociology |
| J: Political Sciences |
| J-JA |
Documents (General)
|
| JC |
Political Science & Theory of State
|
| JF-JX |
Constitutional Theory & International Law |
| K: Law |
| KF |
United States Law |
| L: Education |
| L-LA |
General Works; History of Education
|
| LB |
Theory & Practice
|
| LC |
Special Forms; Relations & Applications
|
| LD-LJ |
Universities & Colleges |
| M: Music (*except where noted) |
| M |
Music (Scores)
**Presidents Room, 3rd Floor**
|
| ML |
Literature on Music
**Music Reading Room, 5th Floor**
|
| MT |
Musical Instruction & Study |
| N: Fine Arts (Oversized items in Fine Arts Reading Room, 5th Floor) |
| N |
Visual Arts (General)
|
| NA |
Architecture
|
| NB |
Sculpture
|
| NC |
Drawing, Design & Illustration
|
| ND |
Painting
|
| NE |
Print Media
|
| NK |
Decorative Arts
|
| NX |
Arts in General |
| 4th Floor |
| P: Language & Literature |
| P |
Philology & Linguistics (General)
|
| PA |
Classical Languages & Literatures
|
| PB-PH |
Modern European Languages
|
| PJ-PL |
Oriental Languages & Literatures
|
| PN |
Literature History & Collections (General)
|
| PQ |
Romance Literatures
|
| PR |
English Literatures
|
| PS |
American Literatures
|
| PT |
Teutonic Literatures
|
| PZ |
Fiction & Juvenile Literatures |
| 1st Floor |
| Q: Science |
| Q |
Science (General)
|
| QA-QB |
Mathematics & Astronomy
|
| QC-QD |
Physics & Chemistry
|
| QE-QH |
Geology & Natural History
|
| QK-QL |
Botany & Zoology
|
| QM-QP-QR |
Human Anatomy, Physiology & Bacteriology |
| R: Medicine |
| S: Agriculture; Plant & Animal Industry |
| T: Technology |
| T |
Technology (General)
|
| TA-TH |
Engineering & Building Group
|
| TJ-TL |
Mechanical Group
|
| TN-TR |
Chemical Group (incl. Photography)
|
| TS-TX |
Composite Group |
| U: Military Science |
| V: Naval Science |
| Z: Bibliography & Library Science |