From the guide to the LR 6227 20 Illinois Chicago Mission publications 1933-1987 (Church of Jesus Christ of Latter-Day Saints, Church History Library)From the guide to the LR 6227 2 Illinois Chicago Mission manuscript history and historical reports 1875-1976 (Church of Jesus Christ of Latter-Day Saints, Church History Library)From the guide to the LR 6227 13 Illinois Chicago Mission Melchizedek Priesthood minutes and records 1930-1973 (Church of Jesus Christ of Latter-Day Saints, Church History Library)