Identification of Nellie Best as the artist of the kneeling female figure was made possible by the digitization of a series of School of Architecture and Allied Arts classroom photographs for Oregon Digital in which Best is identified as the artist of this untitled work.
FLOOR PLANS & ART GUIDE
Blackstock, Joe, "How the Murals at the Ontario Post Office Got There," Inland Valley Daily Bulletin, December 12, 2016. http://www.dailybulletin.com/arts-and-entertainment/20161212/how-the-murals-at-the-ontario-post-office-got-there
"Former Students Display Art Work." Oregon Daily Emerald, May 1, 1936. Mary Kirkwood, Nell Best at Little Gallery.
"White Bear Lake, MN New Deal Art," wpamurals.com.
Who's Who in Northwest Art. Edited by Marion Brymner Appleton. Seattle: Frank McCaffrey, 1941.