http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-subject=Philadelphia Zoological Garden) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f5-subject%3DPhiladelphia%20Zoological%20Garden Results for your query: docsPerPage=100;f5-subject=Philadelphia Zoological Garden Thu, 01 Jan 1970 12:00:00 GMT Bears, owls, tigers and others: Philadelphia's zoo, 1874-1949. Cadwalader, Williams B. (Williams Biddle), 1876- 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