KEWENIG WILHELM A. 290,993 BIRTH The birth of sexology : a brief history in documents / sel. and annot. with an introd. by Erwin J. Haeberle ; forew. by Wilhelm A. Kewenig. - [S.I.] : Erwin J. Haeberle, cop. 1983. - 47 s. s il. ; 28 cm 6th World Congress of Sexology May 22-27, 1983 Washington, D.C.