http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Sanitation -- Canal Zone) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DSanitation%20--%20Canal%20Zone Results for your query: docsPerPage=100;f277-subject=Sanitation -- Canal Zone Thu, 01 Jan 1970 12:00:00 GMT The Panama Canal Zone; an epochal event in sanitation. Adams, Charles Francis, 1835-1915 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