by United States

1927

by United States. Congress Senate

1941

by United States. Congress. Senate. Committee on Commerce

1941

by United States. Employees' Compensation Commission

1927

by United States. Congress. House. Committee on Merchant Marine and Fisheries

1941

by United States. Congress. House. Committee on Appropriations. Subcommittee on Deficiencies

1943

by United States. Congress. House. Committee on Appropriations

1943

by United States. Congress. House

1943

by United States

1929

by United States

1946

by United States. Bureau of Employees' Compensation

1926