Discussed in Preaching from Home: The Stories of Seven Lutheran Women Hymn Writers by Gracia Grindal
Also The Junior Hymnal Rock Island: Augustana Book Concern, 1928.
Augustana Synod Luther League Lets Remember filmstrip. A film strip looking back at the Augustana Luther League conventions in 1951 in Colorado Springs, in 1953 in Boston, and in 1955 in Calgary.
Hymnary.org has a hardbound edn. dated 1955 at http://www.hymnary.org/hymnal/YFS1955 w/ hymns apparently in alphabetical order.
Wendell wrote verses 3 and 4 of the Paul Gerhardt chorale "The Restless Day Now Closeth," No. 650 in 1926 Augustana Hymnal. B.A. Born 1866 in Västergotland, B.A. 1893, M.A. 1897 from Augie. Ordained 1905. Pastor of Grace Lutheran in Minneapolis, 1914-1947. Co-editor of Junior Hymnal 1928.
Bio in Gustav Lawrence Bongfelt papers, 1936-1949. Swenson Center, Augustana College, Rock Island. http://www.augustana.edu/general-information/swenson-center-/archives/finding-aids/gustav-lawrence-bongfelt-papers. Bongfelt was his biographer.