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Smart Dir : free sites directory. Kids and Teens School Time Reference Tools Libraries Library of Congress Classification. Directory of Kids and Teens School Time Reference Tools Libraries Library of Congress Classification.

http://geography.about.com/library/congress/blhowto.htm

» Understanding Call Numbers [ Teens/Mature Teens ] - A tutorial to help unlock the mysteries of Library of Congress call numbers. Some tips about call numbers. Has a link to tables with more detail on each major subject area, like Q for science.

http://honolulu.hawaii.edu/legacylib/callno.html

» Understanding Call Numbers [ Kids/Teens/Mature Teens ] - Explains how library books are assigned their places on the shelves, using Library of Congress Classification.

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