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Publisher
- United States. Government Printing Office9
- McGraw-Hill Companies8
- Genetics Society of America7
- The Academic Press7
- National Academy Press (U.S.)6
- John Wiley & Sons5
- Edinburgh University Press4
- J. & A. Churchill Ltd.4
- National Science Foundation (U.S.)4
- M.I.T. Press3
- New York Academy of Sciences3
- St. Louis Post-Dispatch3
- ISI Press2
- Imprimerie Royale P. A. Norstedt & Soner2
- International Telephone and Telegraph Corporation2
- Lippincott-Raven Publishers2
- North-Holland Publishing Company2
- Oxford University Press2
- The American Society for Microbiology. Northern California Branch2
- University of California Press2