http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-subject=Washington (D.C.) -- Maps) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f5-subject%3DWashington%20(D.C.)%20--%20Maps Results for your query: docsPerPage=100;f5-subject=Washington (D.C.) -- Maps 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. 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 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 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