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1by Brenckle, Paul L. (Paul Louis)Subjects: “...Paleontology Carboniferous....”
Published 1970
Thesis Book -
2by Webster, G. D. (Gary D.), 1934-2021Subjects: “...Paleontology Carboniferous....”
Published 1969
Book -
3by Gordon, Mackenzie, 1913-Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
Published 1964
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