The Patrick McDonnell and Karen O'Connell includes research materials on the comic feature Krazy Kat, along with the life and career of artist George Herriman, correpondence with scholars created during writing of the book "Krazy Kat: The Comic Art of George Herriman. The collection includes Krazy Kat comic strip strip clipping and materials related to the prodcution of the book production along with press reviews about the book.

The Patrick McDonnell and Karen O'Connell Collection of George Herriman Research includes research materials on the comic feature Krazy Kat, along with the life and career of artist George Herriman, correpondence with scholars created during writing of the book "Krazy Kat: The Comic Art of George Herriman. The collection includes Krazy Kat comic strip strip clipping and materials related to the prodcution of the book production along with press reviews about the book.