Free book service for all : an international survey ; edited by S.R. Ranganathan, A. Neelameghan and A.K. Gupta.
Ranganathan, S. R.(Shiyali Ramamrita),1892-1972.
Neelameghan, Arashanapalai.
Gupta, Anand Kumar.
Bombay ; London :  Asia Publishing House,
1968.