Mortality index, [ca. 1928]-1969.
Related Entities
There are 2 Entities related to this resource.
New York Zoological Park
http://n2t.net/ark:/99166/w6vb2hzj (corporateBody)
New York Zoological Society. Dept. of Animal Health. Office of the Veterinarian.
http://n2t.net/ark:/99166/w69h0dz9 (corporateBody)