00512     2200169   4500001002100000008004100021035002000062245005400082100002100136260003200157300004300189084001500232520005500247082001100302650001800313990001100331INLIS000000000010510                                   Ind    a0010-1118010510  aOn the theory of social changecHAGEN, Everett E.  aEverett E. Hagen  aJllinoisbDorsy Pressc1963  axv, 557 p.; 26 cm.cxv, 557 p.; 26 cm.  a301.15HAGo  aPart I. The Nature of the problem Bibl. p. 525-557  a301.15  aSOCIAL CHANGE  a534/65