Hartu hau. : Charles S. Peirce : On Norms and Ideals / by Vincent G. Potter ; with a new introduction by Stanley M. Harrison.

Izenburua : Charles S. Peirce : On Norms and Ideals / by Vincent G. Potter ; with a new introduction by Stanley M. Harrison.

Sailkapena : Ez dago telefono-zenbakirik.

Egoera : Ezezaguna