Further reading Ebeling, Herbert C.: Johann Jakob Astor. Walldorf, Germany: Astor-Stiftung, 1998. . Leedom, Karen L.: Astoria: An Oregon History. Astoria, Oregon: Rivertide Publishing, 2008. . Elma MacGibbons reminiscences about her travels in the United States starting in 1898, which were mainly in Oregon and Washington. Includes chapter "Astoria and the Columbia River".
Further reading Ebeling, Herbert C.: Johann Jakob Astor. Walldorf, Germany: Astor-Stiftung, 1998. . Leedom, Karen L.: Astoria: An Oregon History. Astoria, Oregon: Rivertide Publishing, 2008. . Elma MacGibbons reminiscences about her travels in the United States starting in 1898, which were mainly in Oregon and Washington. Includes chapter "Astoria and the Columbia River".