topic

• Iron industry4
• Elevated railroads3
• Factories3
• Metallurgical industry3
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name

• Sperr, Percy Loomis, 1890-19649
• Ewing Galloway (Agency)1
• Long Island Rail Road1
• Pennsylvania Railroad1
• Sperr, Percy Loomis (1890-1964)1

collection

• Photographic views of New York City, 1870's-1970's, from the collections of the New York Public Library14

place

• New York (N.Y.)14
• New York (State)14
• Brooklyn (New York, N.Y.)5
• Manhattan (New York, N.Y.)5
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genre

• Photographs14

division

type

• still image14