Look for what you need by location and at each location by the Library of Congress Subject Classification.
The most common locations are listed below. Check Location Information for a more detailed description.
| Archives and Special Collection | 1/F | Media Reserve | LG1 | |
| Books (call numbers A-P) | LG4 | Media Resources | LG1 | |
| Books (call numbers Q-Z ) | LG3 | Microforms | LG1 | |
| Current Periodicals | LG1 | Newspapers | G/F | |
| Bound Periodicals (A-Z) | LG1 | Reference | G/F | |
| Magazines | G/F | Reserve | 1/F |
The Library of Congress Subject Classification System is used to arrange and organize our collections in the Library. The table below gives you an outline of the general subject divisions important at UST. You can learn more about the classification of material in the Library, including a more complete Library of Congress Classification Outline.
| A-P - Humanities, Business, and Social Sciences | Q-Z - Mathematics, Science, and Engineering | ||
|---|---|---|---|
| A | General works | Q | General Sciences |
| B | Philosophy, Psychology, and Religion | QA | Mathematics and Computer Science |
| C | Auxiliary Sciences of History | QB | Astronomy |
| D | History (General) and History of Europe | QC | Physics |
| DS | History of Asia | QD | Chemistry |
| E | History of the USA | QE | Geology |
| F | History of Individual States and other American Countries | QH | Biology (general) |
| G | Geography, Environmental Studies, Anthropology, Recreation | QK | Botany |
| H | Social Sciences (Economics, Management, Sociology, etc.) | QL | Zoology |
| HA | Statistics | QM | Human Anatomy |
| HB | Economic Theory & Demography | QP | Physiology |
| HC | Economic History and conditions | QR | Microbiology |
| HD | Industries, Labor, Land Use | R | Medicine |
| HE | Transport and Communications | S | Agriculture |
| HF | Commerce | T | Technology (general) |
| HG | Finance | TA | Engineering (general), Civil Engineering |
| HJ | Public Finance | TC | Hydraulic Engineering, Ocean Engineering |
| HM | Sociology (general) | TD | Environmental Technology, Sanitary Engineering |
| HN | Social conditions & Social Problems | TE | Highway Engineering, Roads and Pavements |
| HQ | The Family, Marriage, and Women | TG | Bridge Engineering |
| HS | Societies (secret, benevolent, etc.) | TH | Building Construction |
| HV | Social pathology, Social and public welfare, Criminology | TJ | Mechanical Engineering and Machinery |
| HX | Socialism, Communism, Anarchism | TK | Electrical and Electronic Engineering |
| J | Political Sciences | TL | Motor vehicles, Aeronautics, Astronautics |
| K | Law | TN | Mine Engineering, Metallurgy |
| KNQ | Law of China | TP | Chemical Technology |
| KNR | Law of Hong Kong | TR | Photography |
| L | Education | TS | Manufactures |
| M | Music | TT | Handicrafts, Arts and Crafts |
| N | Fine Arts (including architecture) | TX | Domestic Science |
| P | Language and Literature | U | Military Science |
| PL | Chinese, Japanese and Korean Language and Literature | V | Naval Science |
| PR | English Literature of Great Britain and other locations | Z | Bibliography, Library Science, Information Science |
| PS | English Literature of the USA | ||