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Maxine Singer - Profiles in Science
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Nucleic Acids, the Genetic Code, and Transposable Genetic Elements: A Life in Research
Risk, Regulation, and Scientific Citizenship: The Controversy over Recombinant DNA Research
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Heppel, Leon A.
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Letters (correspondence)
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1.
Letter from Leon A. Heppel to Maxine Singer
Date:
13 December 1955
2.
Letter from Leon A. Heppel to Maxine Singer
Date:
[2 June 1968?]
3.
Letter from Leon A. Heppel to Maxine Singer
Date:
[28 December 1957?]
4.
Letter from Leon A. Heppel to Maxine Singer
Date:
[27 July 1958?]
5.
Letter from Leon A. Heppel to Maxine Singer
Date:
5 December 1985
6.
Letter from Leon A. Heppel to Maxine Singer
Date:
[13 December 1974]
7.
Letter from Leon A. Heppel to Maxine Singer
Date:
27 October 1955
8.
Letter from Leon A. Heppel to Maxine Singer
Date:
[5 June 1971]
9.
Letter from Leon A. Heppel to Maxine Singer
Date:
[3 June 1974]
10.
Letter from Leon A. Heppel to Maxine Singer
Date:
9 March 1988
11.
Letter from Leon A. Heppel to Maxine Singer
Date:
21 March 1977
12.
Letter from Leon A. Heppel to Maxine Singer
Date:
[14 July 1958]