Sweet is the Spirit's strain. J. Anstice. [Invitation.] Appeared in his Hymns, 1830, p. 95, in 5 stanzas of 6 lines, and based upon Rev. xxii. 17. In some collections it is considerably altered although the opening line is unchanged. It has been attributed to “J. Austin," but in error.
--John Julian, Dictionary of Hymnology, Appendix, Part II (1907)