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Pandey, R.C.: Information retrieval systems : a linguistic approach (1997)
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Spiteri, L.: ¬A simplified model for facet analysis : Ranganathan 101 (1998)
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Neelameghan, A.: S.R. Ranganathan's general theory of knowledge classification in designing, indexing and retrieving from specialised databases (1997)
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Raghavan, K.S.: ¬The general theory of classification as the basis for structuring of subject headings (1985(?))
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Panigrahi, P.: Ranganathan and Dewey in hierarchical subject classification : some similarities (2015)
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