Role of Language in Problem Solving: 1st: Symposium Proceedings, Robert Jernigan

Hurley's Logic, Robert W. Burch

Green Logic: Ecopreneurship, Theory and Ethics, Robert Issak

Computational Logic, Robert S. Boyer et J. Strother Moore

Advances in Modal Logic Volume 7, Carlos Areces et Robert Goldblatt

Nonzero: The Logic of Human Destiny, Robert Wright

Petite chronologie de l'histoire de la Pologne, Michel Kowalski

La quête de Billy, William Kowalski