topic

• Business enterprises10
• Hospitals3
• Medical education3
• Sanitation3
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name

• Sperr, Percy Loomis, 1890-196410
• Cornell University. Medical College3
• Interborough Rapid Transit Company2
• Ewing Galloway (Agency)1
• Singer Building (New York, N.Y.)1

collection

• Photographic views of New York City, 1870's-1970's, from the collections of the New York Public Library11

place

• New York (N.Y.)11
• New York (State)11
• Manhattan (New York, N.Y.)5
• East River (N.Y.)4
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genre

• Photographs11

division

type

• still image11