topic

• Railroad tracks8
• Railroad shops & yards4
• Railroads4
• Railroad engineering2
• Trains2
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name

• Sperr, Percy Loomis, 1890-196410
• Empire State 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 Library10
• William J. Wilgus papers2

place

• Manhattan (New York, N.Y.)10
• New York (State)10
• Harlem (New York, N.Y.)8
• New York3
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genre

division

• Milstein Division10
• Manuscripts and Archives Division2

type

• still image12