The planning function in urban government / Robert Averill Walker Walker, Robert Averill. City planning United States. City planning United States Case studies. City planning United States Management. Local government Planning Economic aspects United States. 711 WAP Chicago : Univ. of Chicago Press, 1951. 1951. 1951 Text xxi, 410 p. : eng Social science studies ; no. 39 Social science studies (University of Chicago) ; no. 39. United States. United States United States United States.