United States International Trade Commission.
United States International Trade Commission
Barr Pumping Engine Company
John Breckling
Mary F. Babington
Unknown Author
John Wimberly
Whitlock Coil Pipe Co
American Spiral Pipe Works
Peter Davey
United States. Congress. Senate. Committee on Finance. Subcommittee on International Trade.
Clifton Valentine
United States. Congress. Senate. Special Committee To Study Problems of American Small Business. Subcommittee on Steel.
Cohn, Morris M.
Vivian Ragsdale