http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f9-subject=Shipping -- United States -- History -- Sources) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f9-subject%3DShipping%20--%20United%20States%20--%20History%20--%20Sources Results for your query: docsPerPage=100;f9-subject=Shipping -- United States -- History -- Sources Thu, 01 Jan 1970 12:00:00 GMT American maritime documents, 1776-1860, illustrated and described. Stein, Douglas L., Mystic Seaport Museum 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