Eternal and immortal King. P. Doddridge. [Faith.] First published in his posthumous Hymns, &c, 1755, No. 321, in 5 stanzas of 4 lines, and again in J. D. Humphreys’s edition of the same, 1839, No. 347. It is based on Heb. xi. 17. In several American collections it is altered to: "Almighty and immortal King,” and reduced to 3 stanzas.
--John Julian, Dictionary of Hymnology (1907)