The University of Michigan Library provides access to this collection for educational and research purposes. Allan T. Kohl, the creator of this collection, has dedicated any copyright he might hold in the collection to the public domain, via the CC0 1.0 Public Domain Dedication. While the images in this collection are believed to be of public domain works, there is a remote possibility that secondary works still in copyright may have been incidentally documented as well. If you decide to use any of this collection, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact Digital Content & Collections. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology.