Leuck, Miriam Simons (May 1, 1929). "Women in Odd and Unusual Fields of Work". The Annals of the American Academy of Political and Social Science. 143 (1): 176. doi:10.1177/000271622914300119. S2CID145370843.
"Grace Hazen". The New York Times. 1940-03-05. Retrieved 2020-11-23.
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Leuck, Miriam Simons (May 1, 1929). "Women in Odd and Unusual Fields of Work". The Annals of the American Academy of Political and Social Science. 143 (1): 176. doi:10.1177/000271622914300119. S2CID145370843.