http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Missouri River Valley -- History -- Sources) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DMissouri%20River%20Valley%20--%20History%20--%20Sources Results for your query: docsPerPage=100;f277-subject=Missouri River Valley -- History -- Sources Thu, 01 Jan 1970 12:00:00 GMT Before Lewis and Clark: documents illustrating the history of the Missouri, 1785-1804. Nasatir, Abraham Phineas, 1904- 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