http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-subject=Pennsylvania -- Administrative and political divisions -- Maps;smode=simple;subject=Pennsylvania -- Administrative and political divisions -- Maps;subject-join=exact) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;f1-subject%3DPennsylvania%20--%20Administrative%20and%20political%20divisions%20--%20Maps;smode%3Dsimple;subject%3DPennsylvania%20--%20Administrative%20and%20political%20divisions%20--%20Maps;subject-join%3Dexact Results for your query: docsPerPage=100;f1-subject=Pennsylvania -- Administrative and political divisions -- Maps;smode=simple;subject=Pennsylvania -- Administrative and political divisions -- Maps;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT Maps showing the development of Pennsylvania. Pennsylvania Dept. of Internal Affairs. Land Office Bureau. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Atlas of historical county boundaries. Pennsylvania. Long, John Hamilton., DenBoer, Gordon, 1933- http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT