There are few purely faceted classifications; the best known of these is the Colon Classification of S . R . Ranganathan, a general knowledge classification for libraries.
12.
The colon classification uses 42 main classes that are combined with other letters, numbers and marks in a manner resembling the Library of Congress Classification to sort a publication.
13.
It was during this period that he produced what have come to be known as his two greatest legacies : his five laws of library science ( 1931 ) and the colon classification system ( 1933 ).
14.
He began drafting the system that was ultimately to become colon classification while in England, and refined it as he returned home, even going so far as to reorder the ship's library on the voyage back to India.
15.
Ranganathan headed the Indian Library Association from 1944 to 1953, but was never a particularly adept administrator, and left amid controversy when the Delhi Public Library chose to use the Dewey Decimal Classification system instead of his own Colon Classification.
