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Blacks in Pennsylvania history : research and educational perspectives
The citizen's stake in the labor union problem
Cornwall : the people and culture of an industrial Camelot, ...
The cult of competency : address at midwinter commencement of ...
Discovering Pennsylvania's archeological heritage
Guide to county and municipal records on microfilm in the ...
Guide to the microfilm collections in the Pennsylvania State Archives
Guide to the published archives of Pennsylvania covering the 138 ...
Historic highway bridges in Pennsylvania
Index to the Guide to the microfilm of the records ...