topic

• Universities & colleges81
• Hospitals54
• Squatters33
• Apartment houses20
• Educational facilities15
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name

• Sperr, Percy Loomis, 1890-1964150
• Columbia University78
• Columbia-Presbyterian Medical Center64
• Bogert, Walter L36
• Sperr, Percy Loomis (1890-1964)10
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collection

place

• New York (State)150
• New York143
• Manhattan (New York, N.Y.)122
• Brooklyn (New York, N.Y.)83
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genre

• Photographs321

division

type

• still image321