http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;expand=subject;f1-format=Periodicals and Newspapers;f2-subject=Postage stamps -- Catalogs -- United States) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;expand%3Dsubject;f1-format%3DPeriodicals%20and%20Newspapers;f2-subject%3DPostage%20stamps%20--%20Catalogs%20--%20United%20States Results for your query: docsPerPage=100;expand=subject;f1-format=Periodicals and Newspapers;f2-subject=Postage stamps -- Catalogs -- United States Thu, 01 Jan 1970 12:00:00 GMT Price list of United States stamps and philatelic accessories. Costales, Eugene N. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Retail price-list ... of United States stamps for sale. Carter, N. E. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Price list, United States stamps. Hawkeye Stamp Co http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Stamp price list: United States and possessions. Home Stamp Co http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Price list: United States commemorative stamps. Cross Stamp Company http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT