1. American Catholics and the Environment, 1960-1995
2. Anderson, B.1993 `Covenant', in Metzger et al. (eds.) 1993: 138-39.
3. Berger, P.1963 Invitation to Sociology: A Humanistic Perspective (New York: Anchor Books).
4. Berger, P.1980 The Heretical Imperative; Contemporary Possibilities of Religious Affirmation (New York: Anchor Books).
5. Bouma-Prediger, S.1995 The Greening of Theology: The Ecological Models of Rosemary Radford Ruether, Joseph Sittler, and Jurgen Moltmann (Atlanta: Scholars Press).