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81by Gordon, Mackenzie, 1913-Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
Published 1975
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82by Girty, George Herbert, 1869-1939Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
Published 1903
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83by Easton, William H. (William Heyden), 1916-1996Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
Published 1962
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84by Adams, George I. (George Irving), 1870-1932, Girty, George Herbert, 1869-1939, White, David, 1862-1935Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
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85by Girty, George Herbert, 1869-1939Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
Published 1910
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86by Gordon, Mackenzie, 1913-Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
Published 1964
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87by Girty, George Herbert, 1869-1939Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
Published 1928
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88by McGhee, George R.Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
Published 2018
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90by Sando, William JasperSubjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
Published 1983
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91Subjects: “...Paleontology Carboniferous. http://id.loc.gov/authorities/subjects/sh85097125...”
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