Lift up your heads, ye gates of brass. J. Montgomery. [Missions.] This hymn is amongst the “M. MSS.," but is undated. It was printed in the Evangelical Magazine, 1843; and again in Montgomery's Original Hymns, 1853, No. 265, in 19 stanzas of 4 lines, and entitled "China Evangelized"; Pt. ii. beginning “Ye armies of the living God”; and Pt. iii. "No carnal weapons those ye bear." In the Society for Promoting Christian Knowledge em>Church Hymns, 1871, No. 291, is composed of stanzas i.—iii., xviii., xix. some¬what altered.
--John Julian, Dictionary of Hymnology (1907)