The Bentley Historical Library is a treasure trove of local and Michigan history on North Campus, located at 1150 Beal Ave, Ann Arbor, MI 48109.
Bentley home page: http://www.umich.edu/~bhl/
The Bentley Image Bank has about 5,000 photos from the collection online.
Archived at the library are these collections:
- The Graduate Employees Organization (GEO) archives their records.
- John and Leni Sinclair files: http://www.umich.edu/~bhl/bhl/refhome/jls/John.html