- Beilstein, Friedrich Konrad, 1838-1906 (2)
- Deutsche Chemische Gesellschaft (2)
- Richter, Friedrich, 1896-1961 (2)
- American Institute of Physics (1)
- INSPEC (Information service) (1)
- Institute of Electrical and Electronics Engineers (1)
- Institution of Electrical Engineers (1)
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- U.S. Atomic Energy Commission (1)
- United States. Dept. of Commerce. Office of Technical Services (1)