Collection
Catalog
601
Charles Morton Smith Collection of Philadelphia Railroads Photographs
1
Historical Society of Pennsylvania Miscellaneous Lantern Slide Collection
1
Joseph T. Richards Collection On the 1889 Johnstown Flood
1
Kneass Family Papers
1
Lehigh Valley Railroad Company Record Books
1
Markle Family Papers
1
Philadelphia Rapid Transit Company Glass Plate Negative Collection
1
Richard Freeze Collection
1
Samuel W. Roberts Notebook
1
William Kittell Account Book
1
William Williamson Records
1