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Creator
- Rickard, W.L.1
- Robinson, Harold G., 1902-1
- Roosevelt, Franklin D. (Franklin Delano), 1882-19451
- Stover, C. T.1
- Stover, W. P.1
- Stubblefield, D. W. (Daniel W.)1
- Trip-L-Seal Inc.1
- United States. Bureau of Mines1
- United States. Congress. Senate. Special Committee Investigating the National Defense Program1
- United States. War Department1
