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21
Creator:
Wetherill, John Price 1844-1906
Subjects and Genres: ';
“...Engineering--Pennsylvania--Philadelphia....”
Record Source:
Archival Materials
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Manuscript
22
Record Source:
Published Materials
Journal
23
Subjects and Genres: ';
“...Fire engines Pennsylvania Philadelphia Pictorial works....”
Book
24
Record Source:
Published Materials
25
Creator:
Boggs, Benj. R. (Benjamin Randolph)
Subjects and Genres: ';
“...River engineering--Pennsylvania--Philadelphia Local sources...”
Record Source:
Archival Materials
Manuscript
26
Record Source:
Published Materials
27
28
Subjects and Genres: ';
“...Civil engineers Pennsylvania Philadelphia Obituaries....”
Book
29
Record Source:
Archival Materials
Link to finding aid
Manuscript
30
Creator:
Parry, George T.
Subjects and Genres: ';
“...Engineers--Pennsylvania--Philadelphia--19th century. Local sources...”
Record Source:
Archival Materials
Manuscript
31
Creator:
Dwyer family
Subjects and Genres: ';
“...Science and engineering--Pennsylvania--Philadelphia--20th century Local sources...”
Record Source:
Archival Materials
Link to finding aid
Manuscript
32
Creator:
Kneass family
Subjects and Genres: ';
“...Engineering--Pennsylvania--Philadelphia....”
Record Source:
Archival Materials
Link to finding aid
Manuscript