The Master comes! He calls for thee. E. M. Crawford, née Grimes. [The Missionary's Call.] In the C.M.S. Gleaner, Sept. 1895, p. 140, there is a notice of this hymn, and of the writer. The hymn is in the Church Missionary Hymn Book, 1899, and is in great request at missionary meetings, &c. Miss Emily May Grimes went to Pondoland in 1893, and married in 1904 Dr. T. W. W. Crawford, Missionary of the C.M.S. at Kikuyu, British East Africa. [Rev. James Mearns, M.A.]
--John Julian, Dictionary of Hymnology, New Supplement (1907)