http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-subject=Maryland -- Administrative and political divisions -- Maps;smode=simple;subject=Washington (D.C.) -- Maps;subject-join=exact) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;f1-subject%3DMaryland%20--%20Administrative%20and%20political%20divisions%20--%20Maps;smode%3Dsimple;subject%3DWashington%20(D.C.)%20--%20Maps;subject-join%3Dexact Results for your query: docsPerPage=100;f1-subject=Maryland -- Administrative and political divisions -- Maps;smode=simple;subject=Washington (D.C.) -- Maps;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT An illustrated genealogy of the counties of Maryland and the District of Columbia as a guide to locating records: including detailed maps showing wards of the city of Baltimore in the federal censuses of 1850, 1860, 1870, & 1880. Brown, Mary Ross. 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. Delaware, Maryland, and the District of Columbia. Long, John Hamilton., Dr. William M. Scholl Center for Family and Community History 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