Day after day I sought the Lord. J. C. Hare. [Psalms xl.] This version of Psalms xl. in two parts; pt. ii. beginning, "Show forth Thy mercy, gracious Lord," appeared in his Portions of the Psalms in English Verse, Selected for Public Worship (Lond. J. W. Parker), 1839, pp. 56-7, each in 5 stanzas of 4 lines. In 1875 both parts were included in an unaltered form in the Wesleyan Hymn Book, 566.
--John Julian, Dictionary of Hymnology (1907)
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Day after day I sought the Lord . J. C. Hare. [Ps. xl.] From his version of Ps. xl. in his Portions of the Psalms in English Verse, 1889, Pt. i., into The Methodist Hymn Book 1904. The second part of the same version begins "Shew forth Thy mercy, gracious Lord" (see p. 924, i.).
--John Julian, Dictionary of Hymnology, New Supplement (1907)