Bonner,第435页 Bonner, Thomas N. Horace Greeley and the Secession Movement, 1860–1861. Mississippi Valley Historical Review. 1951-12, 38 (3): 425–444. JSTOR 1889030. doi:10.2307/1889030.
Bonner,第435页 Bonner, Thomas N. Horace Greeley and the Secession Movement, 1860–1861. Mississippi Valley Historical Review. 1951-12, 38 (3): 425–444. JSTOR 1889030. doi:10.2307/1889030.
Ross & 1933,第63-74页 Ross, Earle D. Horace Greeley and the West. Mississippi Valley Historical Review. 1933, 20 (1): 63–74. JSTOR 1902328.
Brophy & 1948,第309-317页 Brophy, Leo P. Horace Greeley, Socialist. New York History. 1948, 29 (3): 309–317. JSTOR 43460290.
Stauss & 1939,第399-408页 Stauss, James H. The Political Economy of Horace Greeley. Southwestern Social Science Quarterly. 1939: 399–408. JSTOR 42879558.