Blake, Beverly B.
Hatfield, Devil Anse
History of Technology, Division of, NMAH, SI
James Baird Company (Washington, D.C.)
Madeira School (McLean, Va.)
Mechanical and Civil Engineering, Division of [former name], NMAH, SI.
Potomac Electric Power Company (Washington, D.C.)
United States. Bureau of Engraving and Printing
Weide, Robert Lee
Work and Industry, Division of, NMAH, SI