Robin Catalogue: [Peirce’s Reprints and Books from his Library; Editor’s Materials and Preliminary Catalogues of the Collection] Some of the reprints contain notes and corrections by CSP. Some but not all of the corrections were reproduced in the Collected Papers.
From Writings, vol. 6: ‘Trichotomic’ recovered from first box of MS [R] 1600
The entry in BibTeX format.
TRICHOTOMIC is the art of making three-fold divisions.