“John Caldwell Calhoun and His Political Role in United States of America (1782-1850)”. ALUSTATH JOURNAL FOR HUMAN AND SOCIAL SCIENCES 217, no. 1 (November 9, 2018): 119–134. Accessed July 22, 2024. https://alustath.uobaghdad.edu.iq/index.php/UJIRCO/article/view/557.