Reference Guide
In large library's a system for identifying and organizing materials is used to aid the user to browse and locate specific items in the library's collection. This guide is intended to orient the interested learner and enable useful navigation of the divisions of the Library of Congress (LC) classification scheme. The table below shows the letter prefix of call numbers and their associated areas from the LC schedule. In some cases the categories are linked to other pages at this site which provide a further breakdown of the division.
To explore the LC classification outline click here.
| A | General Works |
| B | Philosophy (general) |
| BC | Logic |
| BD | Speculative Philosophy |
| BF | Psychology |
| BH | Aesthetics |
| BJ | Ethics |
| BL | Religions / Mythology / Rationalism |
| BM | Judaism |
| BP | Islam / Bahaism / Theosophy / etc. |
| BQ | Buddhism |
| BR | Christianity |
| BS | Bible |
| BT | Doctrinal Theology |
| BV | Practical Theology |
| BX | Churches |
| DA-DR | European History |
| DE | History: Greco-Roman World (Mediterranean Region) |
| DS | Asian History (Including the Ancient Near East/Middle East) |
| DT | African History |
| DU | Oceania & South Seas History |
| E-F | American History (Western Hemisphere) |
| G | Geography / Anthropology / Recreation / Dance |
| H | Social Sciences |
| J | Political Science |
| K | Law |
| L | Education |
| M | Music |
| N | Fine Arts |
| P | Language and Literature |
| PA | Classical Greek & Latin Language and Literature |
| PN | Literary History / Poetry / Drama & Film |
| PR | English Literature |
| PS | American Literature |
| Q | Science |
| R | Medicine |
| S | Agriculture |
| T | Technology |
| U | Military Science |
| V | Naval Science |
| Z | Information Science |