Beverly Halstead by William Antony S. Sarjeant, L. B. Halstead. Taylor & Francis, 1995. ISBN 2881249965/ISBN 9782881249969 Wounds on the jaw of an Eocene
present stem of the verb 'to kill' (koštan کشتن). According to linguist Francis Joseph Steingass, the suffix -kush means 'a male; (imp. of kushtan in comp
(原始内容存档于2012-07-12). (页面存档备份,存于互联网档案馆) Gannett, Henry. The Origin of Certain Place Names in the United States. U.S. Government Printing Office. 1905: 200.