The Five Laws of Library Science
- Open WorldCat entry for Ranganathan's most famous contribution to the profession; search for a copy in a library nearby.
- http://www.worldcatlibraries.org/wcpa/ow/2dabecabf40fb3b8.html

Ranganathan Has a Posse
- Aaron Schmidt's library-flavored bootleg sticker
- http://www.walkingpaper.org/index.php?id=154

Was Ranganathan a Yahoo!?
- Report by Aimee Glassel comparing Internet cataloging with Ranganathan's theories.
- http://scout.wisc.edu/Projects/PastProjects/toolkit/enduser/archive/1998/euc-9803.html

S. R. Ranganathan
- Wikipedia entry overview of his life and contributions.
- http://en.wikipedia.org/wiki/S._R._Ranganathan

Ranganathan and Facet Analysis
- Short overview of facet analysis and Ranganathan's classification theory.
- http://www.mysticseaport.org/library/msitia/facets.html

Shiyali Ramamrita Ranganathan
- Includes biography and main works.
- http://w3.uniroma1.it/vrd/mathematics/i-ranganathan.html

Ranganathan for Information Architects
- Overview of the five laws and colon classification. [Boxes and Arrows]
- http://www.boxesandarrows.com/archives/ranganathan_for_ias.php

Excerpts from Prolegomena to Library Classification
- Definitions, principles, and a canon of classification from S.R. Ranganathan's "Prolegomena."
- http://www.miskatonic.org/library/prolegomena.html

A Tribute to S.R. Ranganathan: Contribution to Indian and International Library Science
- Essay by Eugene Garfield. [PDF]
- http://www.garfield.library.upenn.edu/essays/v7p045y1984.pdf

A Tribute to S.R. Ranganathan: Life and Works
- Essay by Eugene Garfield. [PDF]
- http://www.garfield.library.upenn.edu/essays/v7p037y1984.pdf