See also:

• Reference: Libraries: Library and Information Science: Technical Services: Cataloguing: Classification: Colon Classification (2)

• Excerpts from Prolegomena to Library Classification
  miskatonic.org
  Definitions, principles, and a canon of classification from S.R. Ranganathan's "Prolegomena."
• Shiyali Ramamrita Ranganathan
  w3.uniroma1.it
  Includes biography and main works.
• Was Ranganathan a Yahoo!?
  scout.wisc.edu
  Report by Aimee Glassel comparing Internet cataloging with Ranganathan's theories.