August von Kaven
United States. Congress. House. Committee on Rivers and Harbors
United States. Congress. House. Committee on Interstate and Foreign Commerce
United States. Congress. Senate. Committee on Commerce
United States. Congress. House. Select Committee on Certain Surveys in Kentucky and Tennessee
United States. Congress. House. Committee on Public Lands
James J. Pierre
United States. Congress. House. Committee on Flood Control
United States. Congress. House
Highway Innovative Technology Evaluation Center (U.S.)
I. M. Idriss
Pieter Jan Zijlstra
J. Groot
Paul Böss
Charles H. Paul