A History of Montana, Helen F. Sanders, 1913
USGENWEB Montana Archives
Contact burns@asu.edu for more info
Name	Page #
Young, Ignace	148
Young, John W	291
Yeager, Erastus	190,219,221
Yegen Brothers, Christian, Peter	1196
Yerkes, B.F.	1203
 	 
Zimmerman, Jacob	1465