topic

• Railroad tracks4
• Walking2
• Railroad cuts1
• Scenic overlooks1

name

• Pennsylvania Railroad7
• Purviance, W. T. (William T.)7
• James S. Earle & Sons1

collection

• Robert N. Dennis collection of stereoscopic views7

place

• Pennsylvania7

genre

• Photographs7
• Stereographs7

publisher

division

• Wallach Division: Photography Collection7

type

• still image7