Eric Reinders is an associate professor of religion at Emory University in Atlanta. He has written about Buddhist attitudes toward animals.

Kerry Walters is a philosophy professor at Gettysburg College in Gettysburg, Pa. With Lisa Portmess, she co-authored two books, one about the history of religious vegetarianism and the other on the history of ethical vegetarianism.

Lisa Portmess is a philosophy professor at Gettysburg College in Gettysburg, Pa. With Kerry Walters, she co-authored two books, one about the history of religious vegetarianism and the other on the history of ethical vegetarianism.

Kimberley Christine Patton is a professor of the comparative and historical study of religion at Harvard University in Cambridge, Mass., where she has taught a course in animals and religion. She is co-editor of A Communion of Subjects: Animals in Religion, Science & Ethics (2006).

Jewish Veg is the Web site of Jewish Vegetarians of North America. It is dedicated to promoting vegetarianism among Jews by linking it to Halakhah (Jewish law). Richard Schwartz is the president of Jewish Vegetarians of North America, which is based in Newport News, Va. Contact through the website.

The Society of Ethical and Religious Vegetarians promotes a plant-based diet in the belief that vegetarianism is consistent with religious teachings. Its pamphlet on vegetarianism and world religions traces support for a plant-based diet in religious scriptures and teachings. Stephen Kaufman is coordinator.

All-creatures.org promotes veganism, vegetarianism and a “cruelty-free lifestyle” based on Judeo-Christian teachings and ethics. It is run by the Mary T. and Frank L. Hoffman Family Foundation and is based in Athens, N.Y.

The Episcopal Network for Animal Welfare is a volunteer organization of clergy and lay people within the Episcopal Church who would like to raise awareness of animal welfare in Episcopal congregations.

The Christian Vegetarian Association promotes the practice of vegetarianism as a Christian principle. It is based in Cleveland and has a British chapter as well.