00453pab a2200145 454500008004000000100002000040245013600060260000900196300001500205362000800220650002100228700001600249700002200265773002000287180718b2015   xxu||||| |||| 00| 0 eng d  aOwens, Peter B.  aThreat, competition, and mobilizing structures: motivational and organizational contingencies of the civil rights-era Ku Klux Klan   c2015  ap.572-604.  aNov  aSocial movements  aWard, Geoff  aCunningham, David  aSocial Problems