Hear what God the Lord hath spoke. W. Cowper. [The Church in Glory.] First published in the Olney Hymns, 1779, Book i., No. 65, in 3 stanzas of 8 lines, and headed, "The future peace and glory of the Church." It is in somewhat extensive use both in Great Britain and America.
--John Julian, Dictionary of Hymnology (1907
Hear what God the Lord hath spoken, p. 502, ii. In the manuscript volume described under Cowper, W., p. 1625, ii., this hymn, given at pp. 211-213, concludes a letter from J. Newton which is dated "Aug. 1773." See Notes and Queries, Sept. 24, 1904.
--John Julian, Dictionary of Hymnology, New Supplement (1907)