1. Charles S. Peirce, Manuscripts, Microfilm ed., 30 reels, with R. Robins, AnnotatedCatalogue (Amherst: University of Massachusetts, 1967), at 9.17.92.Peirce, 9, Manuscripts, 1967
2. Id., Collected Papers, 8 volumes, 1931-35, P. Weiss, C.Hartshorne and A.W. Burks, eds.(Cambridge: Harvard University Press, 1934), volume 2, paragraphs 93, 105-108.Peirce, 105, 2, Collected Papers, 1935
3. Peirce, supra note 2 at mss. 594, 655-657.655
4. Charles S. Peirce's Method of Methods