Using These Materials
The collection is open for research.
- USE & PERMISSIONS:
Donor(s) have transferred any applicable copyright to the Regents of the University of Michigan but the collection may contain third-party materials for which copyright was not transferred. Patrons are responsible for determining the appropriate use or reuse of materials. See reference archivist for limitations on copyright transfer.
- PREFERRED CITATION:
item, folder title, box no., Ira W. Butterfield Papers, Bentley Historical Library, University of Michigan