Allegheny ward 1.

1872

G.M. Hopkins & Co.

1:2k

Allegheny ward 4.

1872

Hopkins, Griffith Morgan

1:2k

North Pittsburgh (Pennsylvania) Business Section, Decentralized Zone.

1950

Nirenstein, Nathan

1:600

Ward 4; Monongahela, S. Pittsburgh boroughs.

1872

G.M. Hopkins & Co.

1:2k

Map of Pittsburgh.

1808

Cramer, Zadok

Pittsburgh, Pennsylvania.

1978

Archar Inc.

Ward 3; 1784 map.

1872

Woods, George

1:2k

Pittsburgh.

1852

Woodward & Rowlands

1:6k

Pittsburgh, Pennsylvania. Cincinnati, Ohio.

1865

Colton, G.W.

1:25k

Plan von Pittsburg und Umgebungen

1820

1:20k