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Julia Tutwiler Library: So what is a call number anyway?

What is a call number?

A call number is a group of numbers and/or letters put together to tell you where in the library to find your book.

A call number is located at the bottom of the book on the spine. It helps you to find your books more effectively
Once you've got your call number from the online catalog, it's time to go find your book!

Parts of a Call Number

Parts of a Call Number

  • subject classification

941.774
  • author’s initial, book number, and first letter(s) of edition title

R83, U184
  • publication date

2001

Reading Call Numbers

Reading Call Numbers

  • Read in whole number/decimal order

941.774
  • the first letter is in alphabetical order

R83
  • numbers following the letter are in decimal order

R83
  • a lower case letter may following in alphabetical order

R83k
  • any other letters are in alphabetical order and numbers in decimal order

U184
  • publication date in numerical order

2001