I once was a stranger to grace and to God. R. M. McCheyne. [The Lord our Righteousness.] Appeared in the Scottish Christian Herald, March, 1836, in 7 stanzas of 8 lines, and entitled "Jehovah Tsidkenu," "The Lord our Righteousness—The watchword of the Reformation," and signed "Larbert. . . R. McC." In 1844 it was included by A. Bonar in his Memoir & Remains of McCheyne, p. 582, and dated "November, 18, 1834." Its use, especially in America, is extensive.
--John Julian, Dictionary of Hymnology (1907)