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A letter that is largely personal, although Burnham does briefly discuss some of his recent research. The paper referenced in the letter's opening is likely McClintock's article that appeared in "Proceedings of the National Academy of Sciences" in December of 1932.
Original Repository:
The American Philosophical Society. Library. Barbara McClintock Papers
Location:
Box: 1. Folder: 6
Rights:
Reproduced with permission of the University of Minnesota, University Archives. Charles Burnham Papers.