Third-Party Movements in the United States (1962), Brief survey Hicks, John D. "The Third Party Tradition in American Politics." Mississippi Valley Historical
March 2011 pp. 48–70 in Project MUSE Clinton, Anita Watkins. "Stephen Arnold Douglas - His Mississippi Experience" Journal of Mississippi History 1988 50(2):
(link) Harrington, Fred H. The Anti-Imperialist Movement in the United States, 1898–1900. Mississippi Valley Historical Review. 1935, 22 (2): 211–230. JSTOR 1898467
York State Board of Elections. www.elections.ny.gov. [2020-10-22]. (原始内容存档于2020-12-29). FAQs: Voting by Mail in North Carolina in 2020 | NCSBE. www.ncsbe