1
Published 1858
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Pennsylvania....
Serial
2
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Pennsylvania....
Serial
3
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Pennsylvania....
Serial
4
Published 1858
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Pennsylvania....
Serial
5
Subjects and Genres: '; ...Railroads Design and construction Germany....
Book
6
Author: Toogood, Anna Coxe.
Published 1973
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction History....
Book
7
Author: Jervis, John Bloomfield, 1795-1885.
Published 1860
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction....
Book
8
Published 1839
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Costs Pennsylvania....
Book
9
Published 1909
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction....
Book
10
Published 1853
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Costs Pennsylvania....
Book
11
Subjects and Genres: '; ...Railroads Design and construction Pennsylvania....
Book
12
Published 1857
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Costs Pennsylvania....
Book
13
Author: Faries, Robert.
Published 1851
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Costs Pennsylvania....
Book
14
Published 1857
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Costs Pennsylvania....
Book
15
Record Source: Archival Materials
Subjects and Genres: '; ...Railroads--Design and construction--19th century Local sources...
Manuscript
16
Published 1828
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Maryland....
Serial
17
Published 1839
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Pennsylvania....
Serial
18
Published 1839
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Costs Pennsylvania....
Book
19
Author: Robinson, Moncure, 1802-1891.
Published 1834
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Costs....
Book
20
Subjects and Genres: '; ...Railroads--Design and construction Local sources...
Manuscript