Cecil

1876

Caldwell, J. A. (Joseph A.)

Pittsburgh, Pennsylvania.

1995

Unique Media Inc.

Pittsburg

1816

Bringhurst, William

Map of Pittsburg and Allegheny, 95

1891

Appleton, D. & Co.

1:42k

Text: Technology. (Pittsburgh (Pennsylvania). Map: Pittsburgh Market Map.

1950

Nirenstein, Nathan

1:90k

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1876

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1876

Caldwell, J. A. (Joseph A.)

1:13m

Map of Pittsburgh 1889

1939

Union Trust Company of Pittsburgh

No.1-2: Map Of The Ohio River

1881

Moser, C.

1:48k

Allegheny, Washington, Greene counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k