The New York Academy of Sciences is an American nonprofit scientific organization with a paid membership; as of 2012, it had more than 25,000 members from 140 countries. History Founded in 1817 as the Lyceum […]

The United Postal Stationery Society (UPSS) is a public, non-profit organization of collectors of whole things established in the United States. History The organization arose on July 1, 1945, from the merger of the Postal […]