Kingsley, N. F. (1902). Four American explorers: Captain Meriwether Lewis, Captain William Clark, General John C. Frémont, Dr. Elisha K. Kane: A book for young Americans. Werner School Book Company.
Lua i Stíl Chicago (17ú heag.)Kingsley, Nellie F. Four American Explorers: Captain Meriwether Lewis, Captain William Clark, General John C. Frémont, Dr. Elisha K. Kane: A Book for Young Americans. New York, Chicago: Werner School Book Company, 1902.
Lua MLA (8ú heag.)Kingsley, Nellie F. Four American Explorers: Captain Meriwether Lewis, Captain William Clark, General John C. Frémont, Dr. Elisha K. Kane: A Book for Young Americans. Werner School Book Company, 1902.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.