Auxiliary and Co-Adjustor Bishops
Bishop James Duggan Papers, 1968-1987
Bishop Patrick John Ryan Paper, 1851-1997
Bishop Christian H. Winkelmann Papers, 1907-1946
Bishop George J. Donnelly Papers, 1940-1950
Bishop John Patrick Cody, 1932-1982
Bishop Charles H. Helmsing Papers 1949-1978
Auxiliary Bishop Charles Roman Koester Records and Papers 1936-1997