81
Note: '; ...Pennsylvania Railroad...
Photo
82
Note: '; ...University of Pennsylvania...
Photo
83
Note: '; ...Pennsylvania Railroad...
Photo
84
85
Note: '; ...University of Pennsylvania...
Photo
86
Note: '; ...University of Pennsylvania...
Photo
87
Note: '; ...University of Pennsylvania...
Photo
88
Note: '; ...University of Pennsylvania...
Photo
89
Note: '; ...University of Pennsylvania...
Photo
90
Note: '; ...Pennsylvania Railroad...
Photo
91
Note: '; ...University of Pennsylvania...
Photo
92
Note: '; ...Pennsylvania Railroad...
Photo
93
Note: '; ...University of Pennsylvania...
Photo
94
Note: '; ...University of Pennsylvania...
Photo
95
Note: '; ...University of Pennsylvania...
Photo
96
Note: '; ...University of Pennsylvania...
Photo
97
Note: '; ...University of Pennsylvania...
Photo
98
Note: '; ...Pennsylvania Railroad...
Photo
99
100