Are there not in the labourer's day? C. Wesley. [Duty.] First published in Hymns & Sacred Poems, 1749, vol. i. 124, in 5 stanzas of 6 lines, and entitled, “The way of duty the way of safety." In 1780 it was embodied in the Wesleyan Hymn Book, and from thence has passed into most of the hymnals of the Methodist bodies in Great Britain and America. It was introduced into the collections of the Church of England by Toplady, through his Psalms & Hymns, 1776. Original text in Poetical Works, 1868-72, vol. v. p. 17.
-- John Julian, Dictionary of Hymnology (1907)