United States
United States. Congress. Senate. Committee on Patents
United States. Congress. House. Committee on Appropriations
P. William Filby
United States. Congress. House. Committee on Merchant Marine and Fisheries
United States. General Accounting Office
United States. Department of State.
Robert Hatfield Barnes
United States. Congress. House. Select Committee of Inquiry into Operations, Policies, and Affairs of the United States Shipping Board and Emergency Fleet Corporation.
United States. Congress. Senate. Committee on Naval Affairs
George Norbury Mackenzie