The National union catalogs, 1963-: A cumulative author list ...
Library of Congress
Title. PS1642.A3H6 1985 701.170924 64-17901 Hopkins, Walter Sawyer, 1878- The Bible and the gold rush; a century of Congregationalism in Colorado, by Walter S. Hopkins [and others] Artist: Oz Black. Denver, Big Mountain Press, 1962 .