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Science

Library of Congress Classification Science, Math and Technology

  • Q - Applied Sciences, Computer Languages & Mathematics
  • R - Medicine
  • S - Agriculture & Natural Sciences
  • T - Technology

Text reads Read call numbers line by line: Read the first line in alphabetical order. Read the second line as a whole number. The third line is a combination of a letter and numbers. Read the letter alphabetically and the numbers as decimals. At the bottom of a call number is the year and item was published.

How to Read a Library of Congress Call Number

Video created by the University of Arkansas Libraries.

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