Author/Creator
- United States60
- United States. War Department36
- United States. Congress. House27
- United States. Board of Engineers for Rivers and Harbors24
- United States. Army. Corps of Engineers15
- United States. War Department. Engineer Dept12
- United States. Congress. House. Committee on Armed Services. (1947- )4
- United States. Congress. House. Committee on Interstate and Foreign Commerce. (1892- 1981)4
- United States. Congress. House. Committee on Merchant Marine and Fisheries. (1935- )4
- United States. Congress. Senate. Committee on Armed Services. (1947- )4
- United States. Congress. Senate. Committee on Commerce. (1825-1946)4
- United States. Congress. Senate. Committee on the District of Columbia. (1816-1977)4
- United States. Federal Maritime Commission (1961- )4
- Bland, Schuyler Otis, 1872-19503
- United States. Bureau of Transportation Statistics3
- United States. Congress. House. Committee on Public Works. (1947-1975)3
- United States. Congress. House. Committee on the District of Columbia. (1808- )3
- United States. Congress. Senate3
- United States. Congress. Senate. Committee on Interstate and Foreign Commerce. (1947-1961)3
- United States. Federal Highway Administration3