Source: Official Program, 52nd Annual Supreme Council Session, Mystic Order Veiled Prophets of the Enchanted Realm, International Convention of All Grottoes in the United States and Canada, June 23, 24, 25, 26, 1941, Saint Louis, Missouri
Location: St.L. / 366.1 / Al39
Last Name:Kemper
First Name:Henry
Corporate Name:H. Kemper Music Company
Address:3756 South Broadway
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Page:inside back cover