http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Postal cards -- Prices) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DPostal%20cards%20--%20Prices Results for your query: docsPerPage=100;f277-subject=Postal cards -- Prices Thu, 01 Jan 1970 12:00:00 GMT The official identification and price guide to postcards. Allmen, Diane., House of Collectibles 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