Appreciating the phenomenon of life

2001

Leon R. Kass

Graduate Faculty Philosophy Journal 23 (1)

Darwinism and ethics

1984

Leon R. Kass

in: Darwin, Marx and Freud, Berlin,

Teleology and Darwin's the origin of species

beyond chance and necessity?

1978

Leon R. Kass

in: Organism, medicine, and metaphysics, Berlin,