Simon, J.E., A.F. Chadwick and L.E. Craker. 1984. Herbs: An Indexed Bibliography. 19711980.
Midwest Vegetable Production Guide for Commercial Growers 2000
Lowman, M.S. and M. Birdseye. 1946. Savory Herbs: Culture and Use.
Magness, J.R., G.M. Markle, C.C. Compton. 1971. Food and feed crops of the United States.
Parsley
Turnip Rooted Parsley
Essential Oils and Culinary HerbsJames E. Simon
Parsley: A Production GuideCooperative Extension Service, Purdue University, West Lafayette, Indiana. PDF version