Rolf Eckhoff
United States. Office of Strategic Industries and Economic Security. Strategic Analysis Division
United States. Congress. House. Committee on the Judiciary
Louis A. Medard
United States. Office of Strategic Industries and Economic Security. Strategic Analysis Division.
Paillet Colautti
Unknown Author
S. S. Jenkins
A. S. Matorin
United States. Department of the Navy
International Congress of Pure and Applied Chemistry (7th 1909 London)
N. G. Puzyrev
Gonzalo Rojas Donoso
John E. Dolan
Department of Trade Staff Great Britain
Great Britain. HM Factory Inspectorate.
J. Lawrence Johnson
Roy MacLeod