41
Record Source: Published Materials
...Schuylkill River (Pa.)...
42
Published 1835
Record Source: Published Materials
...Schuylkill River (Pa.)...
Book
43
Author: Duttenhofer, A.
Record Source: Published Materials
...Schuylkill River (Pa.)...
Book
44
Author: Crawford, Andrew Wright, 1873-1929.
Published 1905
Record Source: Published Materials
...Schuylkill River (Pa.)...
Book
46
47
Author: Gray, Edward G., 1964-2023.
Published 2016
Record Source: Published Materials
Subjects and Genres: '; ...Iron and steel bridges Pennsylvania Schuylkill River Design and construction History....
Book
48
49
Published 1820
Record Source: Published Materials
...Schuylkill River (Pa.)...
Book
50
Author: Kephart, Beth.
Published 2007
Record Source: Published Materials
...Schuylkill River (Pa.) History....
Table of contents only
Contributor biographical information
Book
51
Published 1817
Record Source: Published Materials
...Schuylkill River (Pa.) Navigation....
Book
52
Record Source: Published Materials
...Schuylkill River (Philadelphia, PA)...
Book
53
Author: Mills, Charles K. 1845-1931.
Published 1876
Record Source: Published Materials
...Schuylkill River (Pa.) Poetry....
Book
54
Author: Haworth, James.
Published 1875
Record Source: Published Materials
...Schuylkill River Power utilization....
Book
55
Published 1909
Record Source: Published Materials
...Schuylkill River (Pa.) Poetry....
Book
56
Record Source: Published Materials
...Schuylkill River (Philadelphia, PA)...
Book
57
Author: Carroll, J.P.
Record Source: Published Materials
...Schuylkill River (Philadelphia, Pa.)...
Book
58
Record Source: Published Materials
...Schuylkill River (Norristown, Pa.)...
Book
59
Record Source: Published Materials
...Schuylkill River (Philadelphia, PA)...
Book
60
Record Source: Published Materials
...Schuylkill River (Philadelphia, Pa.)...
Book