Nebent. teils: Proceedings of the Oregon Horticultural Society
Nebent. 47.1932 - 55.1940: Proceedings of the annual meeting of the Oregon State Horticultural Society. 1932-1940
Nebent. 57.1942 - 65.1950: Proceedings of the Oregon State Horticultural Society. 1942-1950
teils: Annual meeting of the Oregon State Horticultural Society