topic

• Exhibitions768
• Parks246
• Petroleum industry112
• Environmental aspects111
• Petroleum chemical industry111
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name

• Centennial Exhibition (1876 : Philadelphia, Pa.)768
• Centennial Photographic Co508
• Pennsylvania Railroad363
• Cremer, James, 1821-1893281
• Independence Hall (Philadelphia, Pa.)182
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collection

• Robert N. Dennis collection of stereoscopic views3442
• United States Sanitary Commission records. Condensed historical matter6

place

• Philadelphia (Pa.)668
• Philadelphia289
• Fairmount Park (Philadelphia, Pa.)248
• Johnstown (Pa.)197
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genre

• Photographs3448
• Stereographs3442

publisher

• Centennial Photographic Co509
• James Cremer185
• R. A. Bonine177
• W. T. Purviance154
• E. & H. T. Anthony68
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division

• Wallach Division: Photography Collection3442
• Manuscripts and Archives Division6

type