Introduction to Organic Gardening, by C. Pendergast; How to Grow Food Organically, by G. Null and staff; Organic Gardening Without Poisons, by H. Tyler; The Basic Book of Organic Gardening, by R. Rodale; Good Food Naturally, by J.B. Harrison
Published in Journal of the Entomological Society of British Columbia, in 1973, in volume 70, pages 69-71
Date published:1973