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
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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)