Miller, H. P. (1901). Outline maps: Of the counties of Allegheny, Berks, Bucks, Cambria, Dauphin, Fayette, Lackawanna, Lancaster, Luzerne, Montgomery, Philadelphia, Schuylkill, Westmoreland and York, and cities of Philadelphia, Pittsburg, Allegheny and Scranton, with population of 1900, vote for president, 1900, and vote for governor, 1898, by minor civil divisions, as ordered by resolution of the legislature. [Harrisburg, Pa.?].

Miller, Herman P. Outline Maps: Of the Counties of Allegheny, Berks, Bucks, Cambria, Dauphin, Fayette, Lackawanna, Lancaster, Luzerne, Montgomery, Philadelphia, Schuylkill, Westmoreland and York, and Cities of Philadelphia, Pittsburg, Allegheny and Scranton, With Population of 1900, Vote for President, 1900, and Vote for Governor, 1898, By Minor Civil Divisions, As Ordered By Resolution of the Legislature. [Harrisburg, Pa.?], 1901.

Miller, Herman P. Outline Maps: Of the Counties of Allegheny, Berks, Bucks, Cambria, Dauphin, Fayette, Lackawanna, Lancaster, Luzerne, Montgomery, Philadelphia, Schuylkill, Westmoreland and York, and Cities of Philadelphia, Pittsburg, Allegheny and Scranton, With Population of 1900, Vote for President, 1900, and Vote for Governor, 1898, By Minor Civil Divisions, As Ordered By Resolution of the Legislature. [Harrisburg, Pa.?], 1901.