The Brother I. Leo O'Donnell Archives traces more than 125 years of CBU history, as well as housing several other distinctive collections:

• The Edward F. Barry Collection
• The Reverend John Joseph Higgins Collection
• The Leslie H. Kuehner Napoleon Collection
• The De La Salle Christian Brothers Midwest Province Archival Record & Museum Collections
• Faculty-Staff Publications and Artistic Achievements

Note: The O'Donnell Archives are not located inside of the Plough Library building.  Interested visitors and researchers may contact Br. Robert Werle, FSC to arrange for access. Information requests and visits to the Archive are by appointment only.