ID:DA04151482
同姓同名の著者を検索
edited by John W. Helmuth & Don F. Hadwiger
Greenwood Press 1993 Contributions in economics and economic history no. 143
所蔵館29館
edited by John W. Helmuth, Stanley R. Johnson ; foreword by Terry E. Branstad
Iowa State University Press for the Center for Agricultural and Rural Development 1989 1st ed
v. 1 , v. 2
所蔵館16館