Dedication Ceremonies of the David and Arnold Hoffman Laboratory of Experimental Geology, Harvard University, December 14, 1963
Arnold Hoffmann
Exhibition of Paintings by Arnold Hoffmann
Free Gold, The Story of Canadian Mining
Free Gold. The Story of Canadian Mining. With Illustrations by Irwin D. Hoffman
Free Gold
Fortieth Anniversary of the Mesabi Iron Company, 1919-1959
Bashford Dean Collection
Lessons for Contemporary Counterinsurgencies
Lessons for contemporary counterinsurgencies: the Rhodesian experience
Publications of the Engineering Experiment Station and the Engineering Extension Department of Purdue University