Wilson, George W., and others creator Bergmann, Barbara R.;jt. auth. Hirsch, Leon V. ; jt. auth. Klein, Martin S. ; jt. auth. text Washington Brookings Institution 1966 monographic xii, 226p. By G. W. Wilson, B. R. Bergamann, L. V. Hirsch & M. S. Klein 309.59 W748.IH