Microfilm (positive). Included are all the papers in the custody of the Department of Philosophy, Harvard University, except a certain body of correspondence, personal and professional. The papers are catalogued and listed in the annotated catalogue of the papers of Charles S. Peirce, by Richard S. Robin. Accompanied by supplement: His/Charles S. Peirce papers. Supplement to the microfilm edition of The Charles S. Peirce papers.