21
22
Published 1839
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Costs Pennsylvania....
Book
23
Author: Kennedy, John Pendleton, 1795-1870.
Published 1836
Record Source: Published Materials
Subjects and Genres: '; ...Baltimore and Ohio Railroad Co....
Book
24
Published 1833
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Ohio....
Book
25
Published 1834
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Pennsylvania....
Book
26
Published 1842
Record Source: Published Materials
Subjects and Genres: '; ...Railroads United States Early works to 1850....
Book
27
Published 1831
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Pennsylvania....
Book
28
29
Author: Earle, Thomas, 1796-1849.
Published 1830
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Early works to 1850....
Book
30
Author: Baltimore.
Published 1845
Record Source: Published Materials
Subjects and Genres: '; ...Baltimore and Ohio Railroad Company....
Book
31
Author: Roberts, Solomon W. 1811-1882.
Published 1836
Record Source: Published Materials
Subjects and Genres: '; ...Allegheny Portage Railroad....
Book
32
Author: Knight, J. 1787-1858.
Published 1831
Record Source: Published Materials
Subjects and Genres: '; ...Baltimore and Ohio Railroad Company....
Book
33
Author: Gay, Edward F.
Published 1848
Record Source: Published Materials
Subjects and Genres: '; ...West Chester and Philadelphia Railroad Co....
Book
34
Published 1837
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Pennsylvania Early works to 1850....
Book
35
Published 1840
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Pennsylvania Early works to 1850....
Book
36
Published 1833
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Pennsylvania Early works to 1850....
Book
37
Author: Carey, Mathew, 1760-1839.
Published 1830
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Early works to 1850....
Book
38
Published 1844
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Virginia Early works to 1850....
Book
39
Published 1835
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Maryland Early works to 1850....
Book
40
Published 1831
Record Source: Published Materials
Subjects and Genres: '; ...Railroads Design and construction Maryland....
Book