Call Number Guide
All books are on the Lower Level of the Crerar Building. See the Crerar Lower Level Floorplan for layout.
| Call Number | Subject Guide (courtesy the Library of Congress) |
|---|---|
| Q | Science (General) |
| QA | Mathematics |
| QB | Astronomy |
| QC | Physics |
| QD | Chemistry |
| QE | Geology |
| QH | Natural History - Biology |
| QK | Botany |
| QL | Zoology |
| QM | Human Anatomy |
| QP | Physiology |
| QR | Microbiology |
| R | Medicine - General |
| RA | Public aspects of medicine |
| RB | Pathology |
| RC | Internal Medicine |
| RD | Surgery |
| RE | Ophthalmology |
| RF | Otorhinolaryngology |
| RG | Gynecology and obstetrics |
| RJ | Pediatrics |
| RK | Dentistry |
| RL | Dermatology |
| RM | Therapeutics/Pharmacology |
| RS | Pharmacy and materia medica |
| RT | Nursing |
| RV | Botanic, Thompsonian, and eclectic medicine |
| RX | Homeopathy |
| RZ | Other systems of medicine |
| S | Agriculture - general |
| SB | Plant culture |
| SD | Forestry |
| SF | Animal culture |
| SH | Aquaculture |
| SK | Hunting sports |
| T | Technology - general |
| TA | Engineering - civil engineering |
| TC | Hydraulic engineering |
| TD | Environmental technology. Sanitary engineering. |
| TE | Highway engineering. Roads and pavements |
| TF | Railroad engineering and operation |
| TG | Bridge engineering |
| TH | Building construction |
| TJ | Mechanical engineering and machinery |
| TK | Electrical engineering. Electrics. Nuclear engineering |
| TL | Motor vehicles. Aeronautics. Astronautics |
| TN | Mining engineering. Metallurgy |
| TP | Chemical technology |
| TR | Photography |
| TS | Manufacturing |
| TT | Handicrafts. Arts and crafts |
| TX | Home economics |
| LC Oversize (Q - TX) | Oversized books with a Library of Congress call number |
| Dewey Decimal Oversize | Oversized books with a Dewey Decimal call number |
| Dewey Decimal 000-999 | Primarily historical texts in a variety of subjects |
| Harvard-Yenching | Primarily older Chinese language publications in the Sciences |
| Non LC-classed M and T | Temporary classification for a variety of science and tech. publications |
Dewey Decimal 000-999
Books with Dewey Decimal System call numbers are shelved on the lower level after the Library of Congress call numbers (Q-TX) and non-Library of Congress Ms and Ts. Many books in the Dewey Collection have an L or other letter preceding the call number indicating the item is a larger than standard size, but most of these are shelved with the regular sized material.