Research files, correspondence, and notes related to Young's various books and projects. Arranged as closely to Young's original filing system as possible. Includes folders of colleagues who assisted in projects. When the occupation of the person for each folder is known, it is placed in parentheses. Folder titles placed in quotation marks signify titles of Young's that are considered harmful or outdated in today's culture. Where these titles cannot be changed, they have been included in their original form.