The Brother I. Leo O'Donnell Archives traces more than 125 years of CBU history and houses several distinctive collections:
NOTE: The O'Donnell Archives are not located inside of Plough Library. Interested visitors and researchers may contact firstname.lastname@example.org to arrange access. Information requests and visits to the Archives are by appointment only.
The De La Salle Christian Brothers Midwest Province Archival Record & Museum Collections is a separate archive overseen by Brother Robert Werle, FSC.
The Leslie H. Kuehner Napoleon Collection was moved to DePaul University, Chicago in 2011.