Brown, and Co., 1878. The Online Library of Liberty. 2008. Liberty Fund, Inc. 26 Nov. 2008 <http://oll.libertyfund.org/?option=com_staticxt&staticfile=show
Rosenbaum, Fred Cosmopolitans: A Social and Cultural History of the Jews of the San Francisco Bay Area" (页面存档备份,存于互联网档案馆) Nov 2009 人物主题 美国主题 基因泰克 Calico
Apple Computer, Inc. Published 1985, Addison-Wesley Pub. Co. ISBN 0-201-05409-4. Original from the University of Michigan; Digitized Nov 16, 2007. Visual