Subject
- Hackworth, Green Haywood, 1883-19732
- Herring, Clyde L. (Clyde LaVerne), 1879-19451
- Hydrogen peroxide1
- Inflation1
- Knudsen, William S., 1879-19481
- Liquid fuels--Storage1
- National Inventors Council (U.S.)3
- Naturalization2
- Newspapers1
- Patents4
- Pell, Robert T., 1902-19691
- Pennsylvania--Pittsburgh1
- Plant material1
- Real property--Foreign ownership--Government policy3
- Report cards3
- Robinson, P. M.1
- Schools, German3
- Stocks1
- United States Civil Service Commission1
- United States Department of State. Division of European Affairs1