Permo-Carboniferous vertebrates from New Mexico Case, E. C. (Ermine Cowles), 1871-1953 creator Williston, Samuel W. (Samuel Wendell), 1851-1918 joint author. contributor Mehl, Maurice Goldsmith, 1887- joint author. contributor text book Washington, D.C Carnegie instituion of Washington 1913 1913
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ENG Carboniferous New Mexico Paleontology Permian Vertebrates, Fossil QE841 .C3 Carnegie Institution of Washington publication, 181 https://www.biodiversitylibrary.org/bibliography/57718 2509250 13020547 10.5962/bhl.title.57718