University of Zambia Library Search for 'au:"Gregg, Richard Bartlett, 1885-"'

The power of nonviolence /

By Gregg, Richard Bartlett, 1885-. Nyack, NY : Fellowship Publications, 1959 , Reprint of 1962.

By Philbrick, Helen Louise Porter, 1910-. New York : Devin-Adair Co., 1966 , "Sponsored by the Bio-dynamic Farming and Gardening Association, inc."

By Philbrick, Helen Louise Porter, 1910-. New York : Devin-Adair Co., 1966 , "Sponsored by the Bio-dynamic Farming and Gardening Association, inc."