00621nam a2200181 a 450000500170000000800410001702000150005804100080007308200100008110000170009124500860010826400610019430000290025550000530028465000330033765000340037070000350040420260717090942.0260717s1968    ii            000 0 eng d  a0028957105  aeng04a300.31 aSills, David10aInternational Encyclopedia of the social sciences.vol.XVIand XVII /cSills, David 1aNew York :bCrowell Collier and Macmillan, Inc.,cc1968.  av. <1-19 > ill. ; 29 cm.  aVol. 19 includes index. Includes bibliographies. 4aSocial sciences-Dictionaries 4aSocial sciences-Encyclopedias1 aMerton, Robert King, 1910-2003