Mason, Kathy (2002). "Out of fashion: Harriet Hemenway and the Audubon Society, 1896-1905". The Historian. 65 (1): 1–14. doi:10.1111/1540-6563.651014. S2CID143084162.
Mason, Kathy (2002). "Out of fashion: Harriet Hemenway and the Audubon Society, 1896-1905". The Historian. 65 (1): 1–14. doi:10.1111/1540-6563.651014. S2CID143084162.