topic

• Railroad cuts22
• Railroad bridges18
• Railroad tracks14
• Railroad tunnels14
• Railroad stations7
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name

• Purviance, W. T. (William T.)154
• Pennsylvania Railroad125
• James S. Earle & Sons22
• Independence Hall (Philadelphia, Pa.)2
• Lincoln, Abraham, 1809-18651

collection

• Robert N. Dennis collection of stereoscopic views154

place

• Mauch Chunk (Pa.)22
• Horseshoe Curve National Historic Landmark (Pa.)19
• Susquehanna River10
• Packsaddle (Pa.)7
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genre

• Photographs154
• Stereographs154

publisher

division

• Wallach Division: Photography Collection154

type

• still image154