. . "Collection in Special Collections & Archives Research Center, Oregon State University Libraries."@en . . "Elmo R. and Doris Mardis Tibbetts Collection, 1923-1930 (MSS Tibbetts)"@en . . "2015-06-18"^^ . "2015-07-16"^^ . "2015-06-18"^^ . "2015-07-16"^^ .