United States. Bureau of the Census
United States. Congress. House. Committee on the Judiciary. Subcommittee on Monopolies and Commercial Law.
L. G. Foster
Commonwealth Bureau of Agricultural Economics.
Unknown Author
Institution of Civil Engineers (Great Britain)
Ken Casavant
John W. Sharp
Interprovincial Council of Farmers' Association
John R. Humphrey
Harold Hedges
Stanley King Thurston
Banco de la Nación Argentina, Buenos Aires
Steven L. Van Ausdle
Eric Gustaf Laurin
Thomas Elliot Hall