• American Annual Cyclopedia ... 1868 (1869), online, highly detailed compendium of facts and primary sources
• Coleman, Charles Hubert. The election of 1868 : the Democratic effort to regain control (1933) online
• Gambill, Edward. Conservative Ordeal: Northern Democrats and Reconstruction, 1865-1868. (Iowa State University Press: 1981).
• Henry, Robert Selph. The Story of Reconstruction (1938)
• Prymak, Andrew. "The 1868 and 1872 Elections," in Edward O. Frantz, ed. A Companion to the Reconstruction Presidents 1865-1881 (Wiley Blackwell Companions to American History) (2014) pp 235–56 online
• Rhodes, James G. History of the United States from the Compromise of 1850 to the McKinley-Bryan Campaign of 1896. Volume: 6. (1920). 1865–72; detailed narrative history
• Simpson, Brooks D. Let Us Have Peace: Ulysses S. Grant and the Politics of War and Reconstruction, 1861-1868 (1991).
• Summers, Mark Wahlgren.The Press Gang: Newspapers and Politics, 1865-1878 (1994)
• Summers, Mark Wahlgren. The Era of Good Stealings (1993), covers corruption 1868-1877

Nguồn chính

• Chester, Edward W A guide to political platforms (1977) pp 86–89 online
• Official proceedings of the National Democratic convention, held at New York, July 4-9, 1868
• Edward McPherson. The Political History of the United States of America During the Period of Reconstruction (1875) large collection of speeches and primary documents, 1865–1870, complete text online.[The copyright has expired.]
• Porter, Kirk H. and Donald Bruce Johnson, eds. National party platforms, 1840-1964 (1965) online 1840-1956