Correspondence, manuscripts, notes, documents, subject files, financial records, course materials, photographs, and printed materials. Woodworth's professional correspondence is with colleagues, scholars, students, the Columbia University Psychology Department, professional organizations, the Archives of Psychology, the National Academy of Sciences, the Psychological Corporation, and publishers. His own set of psychology subject headings include both general and specific topics such as behavior, color, experimental psychology, learning, memory, perception, personality, sensation, etc. These files contain manuscripts, notes, psychological tests, test data, revisions, for his monographs and other research materials. In addition to the subject files, there is some general, personal and family correspondence; manuscripts of his articles, lectures, addresses, curricular materials, biographical files and photographs. The printed materials consist of his personal collection of reprints of psychological literature arranged according to his own subject headings; reprints by colleagues, some inscribed and signed with his annotations; and books from his library, some of which contain his markings and comments