Square Foot Gardening by Mel Bartholomew, Rodale Press, 1981
Lois Hole’s Vegetable Favorites by Lois Hole, Lone Pine Publishing, 1993
Vegetable Gardener’s Bible by Edward Smith, Storey Publishing, 2009
Organic Gardener’s Handbook of Natural Pest and Disease Control edited by Fern Marshall Bradley, Rodale Books, 2010