http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f8-subject=Pennsylvania -- Maps -- Bibliography) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f8-subject%3DPennsylvania%20--%20Maps%20--%20Bibliography Results for your query: docsPerPage=100;f8-subject=Pennsylvania -- Maps -- Bibliography Thu, 01 Jan 1970 12:00:00 GMT Check list of maps pertaining to Pennsylvania: up to 1900. Pennsylvania Historical Survey, Garrison, Hazel Shields. 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