4 x 5
AMNH Special Collections: Photographic Transparency Collection, Transparency number:
American Museum of Natural History Library
Information on rights available at the repository.
American Museum of Natural History
Unknown (photographer), “Eohippus skeleton,” AMNH Research Library | Digital Special Collections, accessed February 25, 2021, https://lbry-web-007.amnh.org/digital/items/show/44119.