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41by Imlay, Ralph W. (Ralph Willard), 1908-1989Subjects: “...Paleontology Jurassic....”
Published 1981
Government Document Book -
42by Imlay, Ralph W. (Ralph Willard), 1908-1989Subjects: “...Paleontology Jurassic....”
Published 1970
Government Document Book -
43
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44
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45
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46Subjects: “...Paleontology Jurassic....”
Book -
47Subjects: “...Paleontology Jurassic....”
Book -
48
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49
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50by Quenstedt, Fr. Aug. von (Friedrich August), 1809-1889Subjects: “...Paleontology Jurassic Jura Mountains....”
Published 1858
Book -
51by Imlay, Ralph W. (Ralph Willard), 1908-1989Subjects: “...Paleontology Jurassic....”
Published 1980
Government Document Book -
52by Cooper, G. Arthur (Gustav Arthur), 1902-2000Subjects: “...Paleontology Jurassic....”
Published 1989
Government Document Book -
53Subjects: “...Paleontology Jurassic....”
Government Document Book -
54
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55
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56by Imlay, Ralph W. (Ralph Willard), 1908-1989Subjects: “...Paleontology Jurassic....”
Published 1981
Government Document Book -
57by Elder, William P.Subjects: “...Paleontology Jurassic....”
Published 1990
Government Document Microform Book -
58by Imlay, Ralph W. (Ralph Willard), 1908-1989Subjects: “...Paleontology Jurassic....”
Published 1953
Government Document Book -
59by Imlay, Ralph W. (Ralph Willard), 1908-1989Subjects: “...Paleontology Jurassic....”
Published 1959
Government Document Book -
60