1
Published 1916
Record Source: Published Materials
Subjects and Genres: '; ...Railroads United States Maps....
Book
2
Published 1923
Record Source: Published Materials
Subjects and Genres: '; ...Railroads United States Maps....
Book
4
Record Source: Published Materials
...Philadelphia Maps....
Book
5
Published 1891
Record Source: Published Materials
Contents or Abstract: '; ...Map of the railroad lines in the Pennsylvania system, 1891....
Book
6
8
Record Source: Published Materials
Journal
10
11
Published 1916
Record Source: Published Materials
Book
14
Record Source: Published Materials
Book
15
Published 1925
Record Source: Published Materials
Journal
17