topic

• Railroad shops & yards21
• Snow8
• Pines4
• Railroad locomotive industry3
• Railroad roundhouses3
• More Less

name

• Pennsylvania Railroad89

collection

• Robert N. Dennis collection of stereoscopic views89

place

• Allegheny Mountains89
• Pennsylvania89
• Altoona (Pa.)27
• Cresson (Pa.)8

genre

• Photographs89
• Stereographs89

publisher

division

• Wallach Division: Photography Collection89

type

• still image89