http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f176-subject=Phenology) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f176-subject%3DPhenology Results for your query: docsPerPage=100;f176-subject=Phenology Thu, 01 Jan 1970 12:00:00 GMT Results of meteorological observations: made under the direction of the United States Patent Office and the Smithsonian Institution from the year 1854 to 1859, inclusive. United States Patent Office. http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT