XTF Search Results (docsPerPage=100;f277-subject=Variation (Biology))

http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Variation (Biology)) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DVariation%20(Biology) Results for your query: docsPerPage=100;f277-subject=Variation (Biology) Thu, 01 Jan 1970 12:00:00 GMT On the causes of variation in organic forms. Riley, Charles V. (Charles Valentine), 1843-1895 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