Coba jelasin Lihat pula dari Spiritual (musik) dong

Sejarah perbudakan di Amerika Serikat

William Eleazar Barton (1899/1972), Old Plantation Hymns: A Collection of Hitherto Unpublished Melodies of the Slave and the Freeman, with Historical and Descriptive Notes, reprint, New York: AMS Press.

Marc A. Bauch: Extending the Canon: Thomas Wentworth Higginson and African-American Spirituals (Munich, Germany, 2013)

Nash, Elizabeth (2007). "Autobiographical Reminiscences of African-American Classical Singers, 1853-Present". Lewiston: Edwin Mellen Press. ISBN 0-7734-5250-8

of "Deep Down in My Heart", from the Library of Congress' Gordon Collection; performed by W. M. Givens in Darien, Georgia, on about March 19, 1926