Autor:	Jewett, Stanley G., Philp, Gilbert, Willett, G., Woodbury, Lowell A., Jenks, Randolph, Stevenson, James O., Stoner, Emerson A., Marshall, William H., Silliman, O. P., von Bloeker,, Jack C., Weydemeyer, Winton, Miller, Alden H., Hickey, Joseph J., Decker, Henry W., Quick, Alice, Castle, G. B., Borell, A. E., Bailey, Alfred M., Niedrach, Robert J.
Zdroj:	The Condor, 1937 May 01. 39(3), 125-133.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1363746 Zobrazit plný text záznamu