Schwartz, R. H., & Sears, D. The vegetarian teachings of Rav Kook. Jewish veganism and vegetarianism : studies and new directions.

Schwartz, Richard H., and David Sears. "The Vegetarian Teachings of Rav Kook." Jewish Veganism and Vegetarianism : Studies and New Directions .

Schwartz, Richard H., and David Sears. "The Vegetarian Teachings of Rav Kook." Jewish Veganism and Vegetarianism : Studies and New Directions, .