Great Britain. Patent Office.
United States. Congress. Senate. Special Committee To Study and Survey Problems of American Small Business Enterprises.
Evans, Oliver
United States. Bureau of Labor Statistics.
William Davis
William C. Jago
Elieser S. Posner
James Grant Duff
United States. Bureau of the Census
Minnesota Historical Society
Joanne Chang
Amos, Percy A.
Oliver Evans
Gonul Kaletunc
William Halliwell
William C. Edgar
D. W. Kent-Jones
Association of Operative Millers.
William Carter Hughes