3. “Note on Grassman’s ‘Calculus of Extension,’” Proceedings of the American Academy, Vol. 13 (1878), pp. 115-116.
4. “Note on Conversion,” Mind, Vol. 1, p. 424.
5. Notes and Additions to Benjamin Peirce’s “Linear Associative Algebra,” American Journal of Mathematics, Vol. 4 (1881), pp. 92ff., especially pp. 221-229.
6. “Logical Machines,” American Journal of Psychology, Vol. 1 (1888).
7. “Infinitesimals,” Science, Vol. 11 (1900), p. 430.
8. “Some Amazing Mazes,” Monist, Vol. 18 (April and July, 1908), and Vol. 19 (Jan., 1909).
9. “On Non-Aristotelian Logic” (Letter), Monist, Vol. 20.
J. A Syllabus of Certain Topics of Logic. 1903. Boston. Alfred Mudge & Son (a four page brochure).
K. Articles in Baldwin’s “Dictionary of Philosophy” on: laws of thought, leading principle, logic (exact and symbolic), modality, negation, predicate and predication, probable inference, quality, quantity, relatives, significant, simple, subject, syllogism, theory, truth and falsity universal, universe, validity, verification, whole and parts.
III. Researches in the Theory and Methods of Measurement.