Thou Who dost my life prolong. J. Fawcett. [Morning.] Published in his Hymns, &c, 1782, No. 51, in 14 stanzas of 4 lines, and headed, "A Morning Hymn." In a few American hymnbooks, including Hatfield's Church Hymn Book, 1872, it is abbreviated to 5 stanzas .
--John Julian, Dictionary of Hymnology (1907)