
Books are arranged in the library according to the Library of Congress Classification.
Each book has a call number, which is derived from this classification.
| A - General Works | M - Music |
| B - Philosophy, Psychology, Religion | N - Fine Arts |
| C - Auxiliary Sciences of History | P - Language and Literature |
| D - History (General and European) | Q - Science |
| E - History of the Americas | R - Medicine |
| F - History of the Americas | S - Agriculture |
| G - Geography | T - Technology |
| H - Social Sciences | U - Military Science |
| J - Political Science | V - Naval Science |
| K - Law | Z - Bibliography, Library Science |
| L - Education |
~ Click the following link for the detailed Library of Congress Classification Outline.