topic

• Tourism77
• Waterfalls1

name

• Purviance, W. T. (William T.)78
• Pennsylvania Railroad1

collection

• Robert N. Dennis collection of stereoscopic views78

place

• New York (State)77
• Watkins Glen (N.Y.)77
• Watkins, Glen77
• Delaware Water Gap (N.J. and Pa.)1
• Pennsylvania1

genre

• Photographs78
• Stereographs78

publisher

division

• Wallach Division: Photography Collection78

type

• still image78