http://www.rssboard.org/rss-specification 720 XTF Search Results (subject=United States -- Emigration and immigration;subject-join=exact;smode=simple;brand=default;f1-subject=United States -- Emigration and immigration;f2-subject=Mexico -- Emigration and immigration) http://catalog.wrhs.org/collections/search?subject%3DUnited%20States%20--%20Emigration%20and%20immigration;subject-join%3Dexact;smode%3Dsimple;brand%3Ddefault;f1-subject%3DUnited%20States%20--%20Emigration%20and%20immigration;f2-subject%3DMexico%20--%20Emigration%20and%20immigration Results for your query: subject=United States -- Emigration and immigration;subject-join=exact;smode=simple;brand=default;f1-subject=United States -- Emigration and immigration;f2-subject=Mexico -- Emigration and immigration Thu, 01 Jan 1970 12:00:00 GMT Mexican immigration to the United States: a study of human migration and adjustment. Gamio, Manuel, 1883-1960 http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202670323544192.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202670323544192.mrc Thu, 01 Jan 1970 12:00:00 GMT