Autor:	Cooper, J. A., Becker, Pearl, West,, Victor, Micelli, Victor J., Landerholm, Carl, Jameson, G. N., Moore, Arline, Moore, Merle S., Howes, James M., Mills, Hazel, Ruggles, Allie, Spencer, Charles
Zdroj:	Oregon Historical Quarterly, 1955 Sep 01. 56(3), 268-277.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/20612213 Zobrazit plný text záznamu