http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-subject=Illinois -- Census, 1820) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f5-subject%3DIllinois%20--%20Census,%201820 Results for your query: docsPerPage=100;f5-subject=Illinois -- Census, 1820 Thu, 01 Jan 1970 12:00:00 GMT 1820 Federal census of Illinois. Volkel, Lowell M., Gill, James V., United States Census Office. 4th census, 1820. 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