American | American Civil War | American Broadcasting Company | American football | African American | American Idol | American Revolutionary War | American Revolution | American Association for the Advancement of Science | American Red Cross | Advisory Committee on Antarctic Names | American Library Association | International Olympic Committee | American Museum of Natural History | American Express | Committee of Public Safety | American Academy of Arts and Sciences | UK Antarctic Place-Names Committee | American League | American Association | American Heart Association | American comic book | American Institute of Architects | American Airlines | American Hockey League | Spanish-American War | Pan American Games | American Cancer Society | Whitney Museum of American Art | American Ballet Theatre |
Harrison's career later included: Chairman of the American Veterans Committee; Editor and Publisher of the The New Republic magazine; author of several books.