http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f6-subject=Ethnic groups -- Statistics) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f6-subject%3DEthnic%20groups%20--%20Statistics Results for your query: docsPerPage=100;f6-subject=Ethnic groups -- Statistics Thu, 01 Jan 1970 12:00:00 GMT Census of population (1990). Supplementary reports. United States Bureau of the Census. 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