00456     2200157   4500001002100000008004100021035002000062245005400082100002100136260005100157300003500208084001500243082001100258650001800269990001100287INLIS000000000010509                                   Ind    a0010-1118010509  aOn the theory of social changecHAGEN, Everett E.  aEverett E Hagen.  aBombaybVakils, Feffer and simon privatec1962  a158 p.; 23 cm.c158 p.; 23 cm.  a301.15HAGo  a301.15  aSOCIAL CHANGE  a189/76