The collection consists of manuscripts, three-color illustrations, galley sheets, and book dummies for her books; original cover design and pen and ink drawings; unpublished manuscripts; talks she gave for different organizations; newspaper clippings and articles about Ms. Montgomery's writing career and her work with humane education.

The Karle Wilson Baker Papers include diaries; manuscripts; correspondence with publishers, editors, writers, fans, friends, and organizations; newspaper clippings and other biographical materials; photographs; and historical research materials, including some original materials dating back to the 1830's.

This is a small collection consists of the unpublished manuscript, 'Let Me Grow Lovely: A Biography of Karle Wilson Baker, Texas Writer', with photographs of Karle Wilson Baker and her home.