Mounted skeleton of Triceratops elatus. American Museum novitates ; no. 654
Brown, Barnum,
1873-1963
Kaisen, Peter C.
Osborn, Henry Fairfield,
1857-1935
Sternberg, Charles H. (Charles Hazelius),
1850-
text
book
1933
ENG
https://www.biodiversitylibrary.org/bibliography/90369