00324     2200133   4500001002100000035002000021245003700041100002600078260004200104300002100146084000700167082000700174990000900181INLIS000000000009449  a0010-1021004283  aOn The Theory of Social Change :  aEverett E. Hagen Ph.D  aHomewoodbThe Dorsey Press, iNCc1963  a557pcill; 21 cm  a30  a30  a9008