http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Trumbull County (Ohio) -- Foreign population) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DTrumbull%20County%20(Ohio)%20--%20Foreign%20population Results for your query: docsPerPage=100;f4-subject=Trumbull County (Ohio) -- Foreign population Thu, 01 Jan 1970 12:00:00 GMT Naturalizations in Trumbull County, Ohio 1800-1870. Ulam, Norman., Ulam, Mary Lou. 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