00685pam a2200217 a 45000010005000000030009000050050017000140080041000310200015000720400028000870820018001151000023001332450050001562500012002062600054002183000044002725040066003166500019003826500022004016510044004234634BD-DhUAP20200126160645.0200126s1993    njua     b    001 0 eng    a0132929627  aDLCcDLCdBD-DhUAPbEng00223a303.4 HAR1 aHarper, Charles L.10aExploring social change /cCharles L. Harper.  a2nd ed.  aEnglewoods Cliffs, N.J. :bPrentice Hall,cc1993.  ax, 373 pages :billustrations ;c24 cm.  aIncludes bibliographical references (p. 331-359) and indexes. 0aSocial change. 0aSocial movements. 0aUnited StatesxSocial conditionsy1945-