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Creator
- Chemical Heritage Foundation79
- Hercules Powder Company14
- E.I. du Pont de Nemours & Company13
- Allied Chemical & Dye Corporation. National Aniline Division11
- Hercules Incorporated11
- Farbenfabriken vorm. Friedrich Bayer & Co.7
- D. Van Nostrand Company6
- National Aniline and Chemical Company6
- United States. Government Printing Office6
- General Dyestuff Corporation5
- Ostwald, Wilhelm, 1853-19325
- Science History Institute5
- U.S. Atomic Energy Commission5
- D. Appleton and Company4
- Wallace & Tiernan Company4
- Aberdeen University Press3
- Bayer Company, Inc.3
- Charles Griffin & Company3
- E.I. du Pont de Nemours & Company. Grasselli Chemicals Department3
- Farbwerke vorm. Meister Lucius & Brüning3