topic

• Administrative and political divisions5
• Street-railroads2
• Coalfields1
• Coke1
• Gas wells1
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name

• Chamber of Commerce of Pittsburgh2
• Barbeau, Jean1
• Bureau of Information (Pittsburgh, Pa.)1
• Diffenbacher, J. F1
• Hani, A1
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collection

• Maps of North America8

place

• Pennsylvania7
• North Side (Pittsburgh, Pa.)5
• Pittsburgh4
• Allegheny (Pa.)1
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genre

• Maps8
• Cadastral maps1
• Thematic maps1

publisher

• A. Hani?1
• Bureau of Information, rooms of the Chamber of Commerce1
• Chamber of Commerce of Pittsburgh1
• J.R. Weldin & Co1
• Jean Barbeau and Lewis Keyon1
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division

• Map Division8

type