Arisbe -  .

Peirce Edition Project (IUPUI) -  .

Charles S. Peirce - - Biography from the MacTutor History of Mathematics archive.

Charles S. Peirce Studies - - Web site devoted to the life and works of C. S. Peirce.

Charles Sanders Peirce - - Essay from Encephi, by Robert Tremblay (in French).

Charles Sanders Peirce - - Discusses the scientist's interest in infinite sets, probability theory, two distinct kinds of induction and other topics. Includes a brief biography. Entry from the Stanford Encyclopedia by Robert Burch.

Institute for Studies in Pragmaticism - - Center for research on the life and works of Charles Sanders Peirce.

Is Peirce a Phenomenologist? - - An article by Joseph Ransdell, arguing that Peirce build a phenomenology alternative to Husserlian and post-Husserlian phenomenological approaches.

Peirce's Logic - - Entry from the Stanford Encyclopedia.

Philosophy Professor - - About the life and studies of Charles Sanders Peirce.

Transactions of the Charles S. Peirce Society - - Journal specializing in the history of American philosophy. Includes list of editors, table of contents and subscription information.