A call number is a combination of letters and numbers which identifies the location and subject matter of books and other library resources. Think of a call number as an address for a book on the library shelf. Be aware that books on similar subjects will appear next to each other. Locate call numbers on the spine of a book or at the upper left-hand corner.

Most academic libraries use the Library of Congress Classification (LCC) system to generate call numbers. Most books in the field of History can be found in the following call number ranges:
- D
World History
DA History of Great Britain
DAW History of Central Europe
DB History of Austria - Liechtenstein - Hungary - Czechoslovakia
DC History of France - Andorra - Monaco
DD History of Germany
DE History of Greco-Roman World
DF History of Greece
DG History of Italy - Malta
DH History of Low Countries - Benelux Countries
DJ History of Netherlands
DJK History of Eastern Europe (General)
DK History of Russia, Soviet Union, Former Soviet Union
DL History of Northern Europe, Scandinavia
DP History of Spain
DQ History of Switzerland
DR History of Balkan Peninsula
DS History of Asia
DT History of Africa
DU History of Oceania (South Seas)
DX History of Romanies
History books housed within WVU's Downtown Campus Library will be on the 4th floor.