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1
Record Source:
Published Materials
Serial
2
Published 1886
Subjects and Genres: ';
“...Metropolitan Rail Road Company (Philadelphia, Pa.)...”
Record Source:
Published Materials
Book
3
Published 1955
“...Technical memorandum (Philadelphia (Pa.). Urban Traffic and Transportation Board) ;...”
Record Source:
Published Materials
Book
4
Published 1884
Record Source:
Published Materials
Book
5
Published 1908
Record Source:
Published Materials
Book
6
7
Published 1886
Record Source:
Published Materials
Book
8
Published 1913
Record Source:
Published Materials
Book
9
10
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12
Book
13
14
Published 1919
Record Source:
Published Materials
Book
15
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17
Published 1956
Record Source:
Published Materials
Book
18
Published 1919
Record Source:
Published Materials
Book