Chambers, Oswald (1927) My utmost for His Highest; selections for every day F.A. Thorpe, Leicester, OCLC3987736; 84 known editions; cited in B., Dave (1998) Good Morning!: Quiet Time, Morning Watch, Meditation, and Early A.A. Paradise Research Publications, Kihei, Maui, Hawaii, pp. 91-92, ISBN1-885803-22-2; and McCasland, David (1993) Oswald Chambers: Abandoned to God Discovery House, Grand Rapids, Mich., ISBN0-929239-75-X