lower right in plate: WH; lower left in plate: G.A.AVERY.SC; lower center: A WINTER-MORNING,-SHOVELLING OUT.-Drawn by Winslow Homer. (See Page 30.)
- Foster, Allen Evarts. "A check list of illustrations by Winslow Homer in 'Harper's Weekly' and other periodicals." Bulletin of the New York Public Library 40 (1936): 842-852. Separately published New York: New York Public Library, 1936.
- Gelman 1969, no.225.
- Kelsey 1977, no.210.