Bradshaw, G.A., & R. M. Sapolsky. 2006. Mirror, Mirror. American Scientist. November/December. 487-489.
Bradshaw, G.A., D. Durham, B. Smuts, in press. Open Door Policy: Deconstructing “right of sight” and the emergence of feral cultures in R. Acampora (ed). Farewell to Noah: Transforming animal encounter in the twilight of the zoo.