O'Donnell, T. F., & Franchere, H. C. (1961). Harold Frederic. Twayne Publishers.
Lua i Stíl Chicago (17ú heag.)O'Donnell, Thomas Francis, agus Hoyt C. Franchere. Harold Frederic. New York: Twayne Publishers, 1961.
Lua MLA (8ú heag.)O'Donnell, Thomas Francis, agus Hoyt C. Franchere. Harold Frederic. Twayne Publishers, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.