topic

• Tourism77
• Railroad cuts22
• Railroad bridges18
• Railroad tracks14
• Railroad tunnels14
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name

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

collection

• Robert N. Dennis collection of stereoscopic views231

place

• Pennsylvania154
• New York (State)77
• Watkins Glen (N.Y.)77
• Watkins, Glen77
• Mauch Chunk (Pa.)22
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genre

• Photographs231
• Stereographs231

publisher

division

• Wallach Division: Photography Collection231

type

• still image231