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Harold E. Cox transportation collection, 1858-1960 (bulk) 1803-1967 (inclusive)
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Temple University Libraries Special Collections Research Center [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Philadelphia Museum of Art Archives [Contact Us]
Held at: Chester County Historical Society [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]