I. INTRODUCTION
written by Shoichi Arai, fl. 1953, in Margaret Sanger Papers, 1761-1995, of Sophia Smith Collection. Women's History Archive ((unfilmed), Box 85, Folder 5, 51pp.) (Northampton, MA); in Family Planning Movement in Japan (Tokyo Metropolis: Population Problems Research Council, 1953, originally published 1953, first release 1953), 19-22
