Westmoreland, Fayette counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Plate G. Southwest Pennsylvania.

1871

Hopkins, G.M.

Industries Of Western Pennsylvania

1884

Lee, Alex. Y.

1:111k

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

1966

Passonneau, Joseph R.

1:48k

Pittsburgh. Personal Income; Residential Population Density.

1966

Passonneau, Joseph R.

1:48k

Map of Pittsburg and Allegheny, 95

1891

Appleton, D. & Co.

1:42k

Jefferson, Clarion, Indiana, Armstrong counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Jefferson's notes on the State of Virginia; With the Appendixes ... To which is subjoined a sublime and argumentative dissertation on Mr. Jefferson's Religious principles [entitled: A Vindication of the Religion of Mr. Jefferson and a statement of his services in the cause of religious liberty. By a friend to real religion]

1800

Jefferson, Thomas

Pittsburgh, Pennsylvania.

1995

Unique Media Inc.

Pittsburgh.

1924

Rand McNally and Company

1:380k