Tolong jelaskan mengenai Sumber utama dari Persatuan Amerika

American Annual Cyclopaedia for 1861 (N.Y.: Appleton's, 1864), an extensive collection of reports on each state, Congress, military activities and many other topics; annual issues from 1861 to 1901

Appletons' annual cyclopedia and register of important events: Embracing political, military, and ecclesiastical affairs; public documents; biography, statistics, commerce, finance, literature, science, agriculture, and mechanical industry, Volume 3 1863 (1864), thorough coverage of the events of 1863

Angle, Paul M. and Earl Schenck Miers, eds. Tragic Years, 1860–1865: A Documentary History of the American Civil War—Vol. 1 1960 online edition

Carter, Susan B., ed. The Historical Statistics of the United States: Millennial Edition (5 vols), 2006; online at many universities

Commager, Henry Steele, ed. The Blue and the Gray. The Story of the Civil War as Told by Participants. (1950), excerpts from primary sources

Dee, Christine, ed. Ohio's War: The Civil War in Documents. (2007). 244 pp.

Freidel Frank, ed. Union Pamphlets of the Civil War, 1861–1865 (2 vol. 1967)

Hesseltine, William B., ed. The Tragic Conflict: The Civil War and Reconstruction (1962), excerpts from primary sources online edition

Marten, James, ed. Civil War America: Voices from the Home Front. (2003). 346 pp.

Risley, Ford, ed. The Civil War: Primary Documents on Events from 1860 to 1865. (2004). 320 pp.

Siddali, Silvana R. Missouri's War: The Civil War in Documents (2009), 256pp excerpt and text search

Sizer, Lyde Cullen and Jim Cullen, ed. The Civil War Era: An Anthology of Sources. (2005). 434 pp.

Smith, Charles Winston and Charles Judah, eds. Life in the North during the Civil War: A Source History (1966)

Voss-Hubbard, Mark, ed. Illinois's War: The Civil War in Documents (2013) online review