On May 15, 1937, WPA writer Sara B. Wrenn sat down with Bert Mendenhall for an oral-history interview, touching on Mendenhall's childhood memories in 1880s Portland as well as the stories told by his father, Rush Mendenhall, who crossed the continent on the Oregon Trail in 1847. (Source on Library of Congress Website: https://www.loc.gov/item/wpalh001987/ )