Joseph G. Rosa: Wild Bill Hickok: the man and his myth. Lawrence, Kansas 66049: University Press of Kansas, 1996, s. 558, 162, 168, 169, 175, 179. F594.H62R68R68 1996 (Library of Congress); 978'.02'092-dc20 (Dewey). ISBN 0-7006-0773-0. OCLC95-54015. (ang.).