North American plesiosaurs : Part I /
Publication (Field Columbian Museum) ; 73
Publication (Field Columbian Museum). Geological series ; v. 2, no. 1
Williston, Samuel W. (Samuel Wendell), 1851-1918
Farrington, Oliver C. (Oliver Cummings), 1864-1933
Chicago :Field Columbian Museum ,1903.
Each plate preceded by guard sheet with brief explanation.
Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Mus
QE1 .F4 v.2, no.1-10
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