Each record in the Library catalog is assigned a Call Number. This serves as the location for the book within the library.
Reading a Call Number :
DS
559.45
.H35
1986
The first two lines describe the subject of the book.
Call Numbers can begin with one, two, or three letters.
THe letters refer to the general subject:
DS = History of Asia
These are followed by numbers, which refer to the specific subject matter:
DS559.45 = Vietnamese Conflict
The third line often represents the author's last name: H = Hallin
The last line represents the date of publication: 1986
Items are shelved by Call Numbers in both alphabetical and numerical order.