United States. Congress. Senate. Committee on Patents
Bill Bryson
William Harrison Ainsworth
Canada. Parliament. House of Commons.
United States. Bureau of the Census
Sven Beckert
W. E. B. Du Bois
United States. Congress. Senate. Committee on Agriculture and Forestry
Loren C. Eiseley
United States. Agricultural Research Service
Frederick Law Olmsted, Sr.
United States. Congress. House. Committee on Agriculture
Paul Hadlock
United States. Congress. Senate. Committee on Immigration
United States. Congress. House. Committee on Ways and Means
Edward Baines
Sir Edward Baines
Elmer Kelton
George Bigwood