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Basic classification
Ranganathan, Shiyali R., (1957)
Prolegomena to library classification
Government publications of India : a survey of their nature, bibliographical control and distribution systems <including over 1500 titles>. By Mohinder Singh, ass. by J. F. Pandya [Jayendra Paraśurāma Pāṇḍeya]. Forew. by S. R. Ranganathan
Singh, Mohinder, (1967)