RANGANATHAN, S. R. Colon classification : basic classification / by S. R. Ranganathan. - 6th ed. - Bangalore Sarada Ranganathan endowment for library science 2002 - 28,124,126p. ISBN: 8185273316 Subjects--Topical Terms: Colon classificationClassification- books Dewey Class. No.: 25.435 / RAN