topic

• Pedestrian bridges2
• Waterfalls2
• Rocks1
• Sightseers1

name

collection

• Robert N. Dennis collection of stereoscopic views2

place

• Catskill Mountains (N.Y.)2
• New York (State)2

genre

• Photographs2
• Stereographs2

division

• Wallach Division: Photography Collection2

type

• still image2