- This Sacred Earth: Religion, Nature, Environment
- An Anthology of Western Marxism: From Lukacs and Gramsci to Socialist-Feminism
- Deep Ecology and World Religions: New Essays on Sacred Ground (S U N Y Series in Radical Social and Political Theory)
- Spirituality: What It Is and Why It Matters
- A Spirituality of Resistance: Finding a Peaceful Heart and Protecting the Earth
- William Greider
- Georg Wilhelm Friedrich Hegel
- Edmund Burke
- Brian Swimme
- Thomas Berry
- Francis Bacon
- Leon Trotsky
- Theodor W. Adorno
- Walter Benjamin
- Elisabet Sahtouris
- Sidney Liebes
- Mary Evelyn Tucker
- David B. Morris
- Daniel Guérin
- H. Nicholas
- Sanford Krolick
- David Salner
- George Novack
- Gottlieb Roger
- Slavoj Žižek