Tolong jelaskan mengenai m}} dari Battle Hymn of the Republic

Claghorn, Charles Eugene, "Battle Hymn: The Story Behind The Battle Hymn of the Republic". Papers of the Hymn Society of America, XXIX.

Clifford, Deborah Pickman. 'Mine Eyes Have Seen the Glory: A Biography of Julia Ward Howe. Boston: Little, Brown and Co., 1978.

Collins, Ace. Songs Sung, Red, White, and Blue: The Stories Behind America's Best-Loved Patriotic Songs. HarperResource, 2003.

Hall, Florence Howe. The story of the Battle hymn of the republic (Harper, 1916) online

Hall, Roger Lee. Glory, Hallelujah: Civil War Songs and Hymns, Stoughton: PineTree Press, 2012.

Jackson, Popular Songs of Nineteenth-Century America, note on "Battle Hymn of the Republic", pp. 263–64.