AMNH Library, : AMNH Library, 20-E: Lepidoptera : larva, food-plant, pupa, &c. Titian Ramsey Peale, . Titian Ramsey Peale, .
AMNH Librar catalog record: http://libcat1.amnh.org/record=b1179161
Natural Histories: The Butterflies of North America: Titian Peale's Lost Manuscript: Extraordinary Rare Book Selections from the American Museum of Natural History Library
American Museum of Natural History Library
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American Museum of Natural History
Peale, Titian Ramsay, 1799-1885 (artist, author), “Hand-written note,” AMNH Research Library | Digital Special Collections, accessed March 28, 2023, https://lbry-web-007.amnh.org/digital/index.php/items/show/32983.