Collection
Catalog
294
A. Meyers Diary
1
Brown Family Collection
1
Coxe Family Mining Papers
1
Donaldson and Steinkirchner Family History Collection
1
Gap Mining Company of Lancaster County Minutes
1
Lehigh Valley Coal Company Engineer Records
1
Leon Gardiner collection of American Negro Historical Society records
1
Lycoming Mining Company Records
1
Markle Family Papers
1
Midland Mining Company Records
1
Samuel A. Black Receipt Books
1
Santo Domingo Silver Mining Company Records
1
Thompson Family Papers
1
William J. Wilgus Papers
1