00285nam a2200109 a 450000500170000000800410001704100080005810000180006624500450008426400350012930000110016420260717072132.0260701s1975    ii            000 0 eng d  aeng1 aRidley, F. F.14aThe study of government /cRidley, F. F. 1aLondon :bGeorge Allen,c1975.  a240 p.