Las Vegas Sun

Dewey Decimal System still most common, but some libraries using updated classification

Dewey Decimal System Day today marks the birthday of librarian Melvil Dewey and celebrates the library classification system ...
insider.si.edu

A comparative guide to the Library of Congress and Dewey decimal classification systems ...

https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!206117~!0#focus ...