The Oil Regions of Pennsylvania; with maps and charts of Oil Creek, Allegheny River, etc

1864

GILLELEN, F. M. L.

Pittsburgh.

1932

Curtis Publishing Company

Pittsburgh.

1966

Passonneau, Joseph R.

1:48k

Pittsburgh. Personal Income; Residential Population Density.

1966

Passonneau, Joseph R.

1:48k

Pittsburgh. Residential Population Density; Industrial, Commercial; Large Institutional, Park, Institutional, Airport, Cemetery.

1966

Passonneau, Joseph R.

1:48k

Pittsburgh, Pennsylvania.

1995

Unique Media Inc.

Map of Pittsburgh 1889

1939

Union Trust Company of Pittsburgh

City Maps. Pittsburg, Pa., and Vicinity. St. Louis, Mo., and Vicinity

1940

Rand McNally and Company

Ward 21.

1872

G.M. Hopkins & Co.

1:12k

Pittsburgh and Allegheny, Penna.

1877

Hayes, Eli L.

1:18k