Answered By: Carmen Doering Last Updated: Jul 25, 2015 Views: 51
Call numbers serve as a books "address" to help you locate it on the shelf. Most American universities, including Lamar, use Library of Congress call numbers.
Library of Congress call numbers begin with one to three letters indicating a general subject (QA=Mathematics).
These are followed by numbers, which refer to more specific subject matter: (QA107=Basic Mathematics or Arithmetic).
The third line often represents the author's last name (S=Sobel).
The last line indicates the date of publication: 1977.
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