Campbell, H. M. (1906). Famous American statesmen: Samuel Adams, John Adams, John Hancock, Patrick Henry, Alexander Hamilton, John Calhoun. Educational Pub. Co..
Lua i Stíl Chicago (17ú heag.)Campbell, Helen M. Famous American Statesmen: Samuel Adams, John Adams, John Hancock, Patrick Henry, Alexander Hamilton, John Calhoun. Boston: Educational Pub. Co., 1906.
Lua MLA (8ú heag.)Campbell, Helen M. Famous American Statesmen: Samuel Adams, John Adams, John Hancock, Patrick Henry, Alexander Hamilton, John Calhoun. Educational Pub. Co., 1906.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.