topic

• Expeditions & surveys168
• Exhibitions35
• Locks (Hydraulic engineering)20
• Linen industry15
• Photography, Industrial15
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name

• Geographical Surveys West of the 100th Meridian (U.S.)168
• O'Sullivan, Timothy H., 1840-1882136
• Centennial Exhibition (1876 : Philadelphia, Pa.)34
• Centennial Photographic Co28
• Folsom, A. H. (Augustine H.), -192615
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collection

• Robert N. Dennis collection of stereoscopic views320
• Stereoscopic views from Steubenville, Ohio1

place

• United States170
• Pennsylvania44
• New York (State)30
• Massachusetts25
• Connecticut15
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genre

• Photographs321

publisher

• Centennial Photographic Co28
• Kilburn Brothers3
• H.P. McIntosh2
• J.W. and J.S. Moulton2
• Keystone View Company2
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division

• Wallach Division: Photography Collection321

type