topic

• Cleaning3
• Cleaning personnel3
• Library employees3
• Research libraries3

name

• New York Public Library3
• New York Public Library. Humanities and Social Sciences Library3
• New York Public Library. Research Libraries3
• Stephen A. Schwarzman Building (New York, N.Y.)3

collection

• New York Public Library Visual Materials3

place

• New York3
• New York (N.Y.)3
• New York (State)3

genre

• Photographs3

division

type

• still image3