See also:

• Science: Math: Logic and Foundations  (961)
• Society: Philosophy: Epistemology  (52)
• Society: Philosophy: Ethics  (405)
• Society: Philosophy: History of Philosophy: 20th Century  (87)

Bibliography of the Writings of Clarence Irving Lewis - - A definitive list, from the Pragmatism Cybrary.

Biography.com: Lewis, Clarence Irving - - Concise biographical paragraph.

Clarence Irving Lewis - - A scholarly treatment of this pragmatist thinker, by Eric Dayton. From the Internet Encyclopedia of Philosophy.

Lewis, Clarence Irving - - Short entry from the 2001 Columbia Encyclopedia.

Terry Peterson's Essays - - Three essays to facilitate the understanding of C.I. Lewis's thought. Includes a page-by-page annotation of Mind and the World Order.