topic

• Waterfalls1

name

collection

• Robert N. Dennis collection of stereoscopic views2

place

• New York (State)2
• Niagara Falls (N.Y. and Ont.)2
• Niagara Falls (N.Y.)2

genre

• Photographs2
• Stereographs2

publisher

• Underwood & Underwood1

division

• Wallach Division: Photography Collection2

type

• still image2