topic

• Factories2
• Water supply2
• Aqueducts1
• Bridges1
• Dams1
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name

collection

• Robert N. Dennis collection of stereoscopic views180

place

• New York (State)180
• Hudson River (N.Y. and N.J.)169
• Sing Sing (N.Y.)8
• Westchester County (N.Y.)4
• Peekskill (N.Y.)2
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genre

• Photographs180
• Stereographs180

division

• Wallach Division: Photography Collection180

type

• still image180