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1
Stratigraphy of Lower Ordovician Stonehenge and Larke formations in central Pennsylvania /
by Donaldson, Alan Chase
[University Park, Pa.] : [Pennsylvania State University], 1959

Thesis Book
2
The grasses of Pennsylvania.
by Gress, Ernest Milton, 1876-1968
Harrisburg, 1924

Government Document Thesis Book
9
The geology of the Kutztown and Hamburg 7 1/2-minute quadrangles, eastern Pennsylvania /
by Lash, Gary George
[Reston, Va.?] : The Survey, 1982

Government Document Thesis Book
10
"Spirifer disjunctus", its evolution and paleoecology in the Catskill Delta /
by Greiner, Hugo
New Haven, Connecticut : Peabody Museum of Natural History, Yale University, 1957

Thesis Book
11
The flora of Schuylkill County, Pennsylvania /
by Wagner, Paul Raymond
Philadelphia : University of Pennsylvania, 1943

Thesis Book
12
A botanical survey of Presque Isle, Erie County, Pennsylvania /
by Jennings, O. E. (Otto Emery), 1877-1964
[Pittsburgh] : [Carnegie Museum], 1909

Thesis Book
13
Delta cycles in the Middle Devonian of central Pennsylvania /

Thesis Book
14
An analysis of the Silurian Keefer Sandstone of Pennsylvania /

Thesis Book
15
The grasses of Pennsylvania.
by Gress, Ernest Milton, 1876-1968
Harrisburg, 1924

Government Document Thesis Book
16
An inaugural dissertation, on the operation of cold : submitted to the examination of the Rev. J. Andrews ... the Trustees & medical professors of the University of Pennsylvania, on the twenty-first day of April, 1806 : for the degree of Doctor of Medicine /
by Tucker, Wright
Philadelphia : Printed for the author, 1806

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Thesis Book
18
The vascular flora of Northampton County, Pennsylvania.
by Schaeffer, Robert L., 1917-
Philadelphia [publisher not identified] 1949

Thesis Book
19
The Pennsylvanian Mill Creek limestone in Pennsylvania /
by Chow, Minchen Ming
[Harrisburg, Pa.] : Pennsylvania. Bureau of Topographic and Geologic Survey, 1951

Government Document Thesis Book
20
Structure of the Jacksonburg formation in Northampton and Lehigh Counties, Pennsylvania /
by Sherwood, W. Cullen (William Cullen)
Harrisburg, PA. : Commonwealth of Pennsylvania [Department of Internal Affairs, Bureau of Topographic and Geological Survey], 1964

Thesis Book
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