1. Calvin 1987, 1996
2. 1985
3. 1988
4. 1973
5. Calvin 1996b, 1997
6. Holland 1992
7. Calvin 1997
8. e.g., Lund et al 1993
9. Somers and Kopell 1992
10. personal communication 1995
11. Dawkins 1993

For references, see William H. Calvin, "Competing for Consciousness: A Darwinian Mechanism at an Appropriate Level of Explanation." Journal of Consciousness Studies (to appear, 1998). See also http://WilliamCalvin.com/1990s/1998JConscStudies.htm.