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Creator
- Dearborn Chemical Company24
- Central Scientific Company22
- Dow Chemical Company18
- Vereinigte Fabriken für Laboratoriumsbedarf (Berlin)17
- Eimer & Amend12
- Hercules Incorporated12
- Manufacturing Chemists' Association (U.S.)12
- United States. Food and Drug Administration11
- Emil Greiner Company9
- United States. Navy8
- Wm. Gaertner & Company7
- Naval Air Experimental Station6
- Korling, Torkel5
- C. & C. Photo Service4
- Rittase, William M., 1894-19683
- Rohm and Haas Company3
- The Fensholt Company3
- D. Appleton and Company2
- Feeman, James2
- Johnstone, Sydney J. (Sydney James)2