(Q51455225)
Statements
The Ceratopsia (English)
0 references
Lull, Richard Swann
Osborn, Henry Fairfield, 1857-1935
Marsh, Othniel Charles, 1831-1899
Hatcher, J. B. (John Bell), 1861-1904
unknown value
Govt. Print. Off.
Washington
1907
0 references