topic

name

• Pennsylvania Railroad17
• Purviance, W. T. (William T.)14
• Bonine, R. A3
• James S. Earle & Sons2

collection

• Robert N. Dennis collection of stereoscopic views17

place

• Pennsylvania17
• Allegheny Mountains3
• Kittanning Point (Pa.)2

genre

• Photographs17
• Stereographs17

publisher

• W. T. Purviance14
• R. A. Bonine3

division

• Wallach Division: Photography Collection17

type

• still image17