1. Bellucci F, Pietarinen A-V, Stjernfelt F (eds) (2014) Peirce: 5 questions. Automatic Press/VIP, Copenhagen
2. Block N (1995) On a confusion about a function of consciousness. Behav Brain Sci 18(2):227–287
3. Brent J (1998) Charles Sanders Peirce: a life. Indiana University Press, Bloomington
4. Chalmers DJ (1995) Facing up to the problem of consciousness. J Conscious Stud 2(3):200–219
5. Chalmers DJ (1996) The conscious mind: in search of a fundamental theory. Oxford University Press, Oxford