Mind (journal)/Volume 9 (New Series)

• Schiller, F. C. S. "On the Conception of ΕΝΕΡΓΕΙΑ ΑΚΙΝΗΣΙΑΣ". Mind, N.S., Vol. 9 No. 36 (Oct., 1900): pp. 457-468.
• Sidgwick, Henry. "Criteria of Truth and Error". Mind, N.S., Vol. 9, No. 33 (Jan., 1900), pp. 8-25.
• Tönnies, Ferdinand. "Philosophical Terminology" (part 3 of 3). Mind, N.S., Vol. 9, No. 33 (Jan., 1900), pp. 46-61.