http://www.rssboard.org/rss-specification 720 https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f2-subject%3DPressure%20groups%20--%20United%20States%20--%20History%20--%20Sources. Results for your query: docsPerPage=100;f2-subject=Pressure groups -- United States -- History -- Sources. Tue, 28 Jul 2020 12:00:00 GMT https://catalog.wrhs.org/collections/view?docId=ead/MS4335.xml The National One Cent Letter Postage Association was a Cleveland, Ohio, based group which advocated reducing the cost of mailing letters from two cents to one cent. The group wrote to senators and representatives to encourage them to vote for the reduction and encouraged other people to write to congressmen, President Wilson and the Postmaster General. The collection consists of correspondence, announcements to members, and information distributed to the public expressing the views of the group. https://catalog.wrhs.org/collections/view?docId=ead/MS4335.xml Wed, 01 Jan 2014 12:00:00 GMT