@unpublished{Peirce1905-07 [c.],
author = "Charles S. Peirce",
title = "{On the theory of Collections and Multitude. MS [R] 31}",
year = 1905-07 [c.],
abstract = "{Robin Catalogue:
A. MS., n.p., [c.1905-07?], 2 pp.; plus 1 p. (p. 2) (“Note on Collections”).
}",
keywords = "Mathematical Possibility, Definiteness, Definite Being, Existence, Singularity, Particular Proposition, Universal Proposition, Singular Proposition, Sign, Meaning, Argument, Interpretant, Proposition",
language = "English",
note = "From the Commens Bibliography | \url{http://www.commens.org/bibliography/manuscript/peirce-charles-s-1905-07-c-theory-collections-and-multitude-ms-r-31}"
}