Scudder, Eliza (1896). "Introductory Note, by Horace E. Scudder". Hymns and Sonnets. Houghton, Mifflin. p. 11. Retrieved 21 December 2023. This article incorporates text from this source, which is in the public domain.
Duffield, Samuel Willoughby (1886). English Hymns: Their Authors and History. Funk & Wagnalls. pp. 564–65. Retrieved 22 December 2023. This article incorporates text from this source, which is in the public domain.