Collection of 1 photograph and 80 postcards primarily of Zion, Illinois and Chicago. Also included are postcards from Florida, Iowa, New York and Wisconsin.

Church-related correspondence and documents of George A. Gonder, Christian Catholic Apostolic Church in Zion convert and official in Kansas and Illinois. Includes postcards showing Zion City parks, buildings, and church officials.

Collection of more than 60 diaries, datebooks, and financial records kept over a lifetime by Harry E. Biedinger (1880-1956), who was among the founding members and builders of Zion City, a failed utopian Christian community outside of Chicago.

Mainly newspaper clipping scrapbooks, but also correspondence, and miscellaneous material relating to John Alexander Dowie and the founding of the Christian Catholic Church and Zion City, Illinois.