Blake, Beverly B.
Hatfield, Devil Anse
James Baird Company (Washington, D.C.)
Madeira School (McLean, Va.)
National Museum of American History (U.S.). Division of History of Technology
National Museum of American History (U.S.). Division of Mechanical and Civil Engineering
National Museum of American History (U.S.). Division of Work and Industry
Potomac Electric Power Company (Washington, D.C.)
United States. Bureau of Engraving and Printing
Weide, Robert Lee
