by William F. Ogburn | Meyer F. Nimkoff.
by Kishwar Ishtiaq | .
by B.N. Ganguli | .
by G.R. Madan | .
by P.C. Triparthy | .
by Tara Ali Baig | .
by O.R. Krishnaswami | .
by Aggarwal,R S | .
by Rajan, J.B | .
by Dubey , R C | .
by H.C. Sarena | .
by M.C. Shukla | S.S. Gulshan.
by V. Venkata Rao | .
by N.M. Khiluani | .
by B. Pattabhi Sitaramaya | .
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