http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f12-subject=Historical Society of Pennsylvania -- Catalogs) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f12-subject%3DHistorical%20Society%20of%20Pennsylvania%20--%20Catalogs Results for your query: docsPerPage=100;f12-subject=Historical Society of Pennsylvania -- Catalogs Thu, 01 Jan 1970 12:00:00 GMT Guide to the manuscript collections of the Historical Society of Pennsylvania. Historical Society of Pennsylvania, Historical Records Survey of Pennsylvania https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT American education, 1622-1860: printed works in the collections of the American Philosophical Society, the Historical Society of Pennsylvania, the Library Company of Philadelphia. King, Cornelia S., 1953-, American Philosophical Society, Historical Society of Pennsylvania, Library Company of Philadelphia https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Welsh-Americans: the manuscript collection : the Historical Society of Pennsylvania. Barton, Marcella Biro., Historical Society of Pennsylvania https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT