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61
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62
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63
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64
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65
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66
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67
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68by Hanger, Rex Alan, 1961-Subjects: “...Paleontology Permian....”
Published 1986
Link to OAKTrust copy
Thesis eBook -
69
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70by Olson, Everett C. (Everett Claire), 1910-1993Subjects: “...Paleontology Permian....”
Published 1962
Book -
71Subjects: “...Paleontology Permian....”
Book -
72
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73
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74
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75by Waterhouse, J. B. (John Bruce), 1932-Subjects: “...Paleontology Permian....”
Published 1973
Book -
76
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77
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78by Douglass, Raymond C. (Raymond Charles)Subjects: “...Paleontology Permian....”
Published 1967
Government Document Book -
79by Sohn, I. G. (Israel Gregory), 1911-2000Subjects: “...Paleontology Permian....”
Published 1954
Government Document Book -
80