Simon, J.E., A.F. Chadwick and L.E. Craker. 1984. Herbs: An Indexed Bibliography. 19711980.
Midwest Vegetable Production Guide for Commercial Growers 1998
Fennel: A New Specialty Vegetable for the Fresh MarketMario R. Morales, Denys J. Charles, and James E. Simon
Essential Oil Content and Chemical Composition of Finnochio FennelDenys J. Charles, Mario R. Morales, and James E. Simon
Preliminary Agronomic Evaluation of New Crops for North DakotaMarisol T. Berti and A.A. Schneiter
Fennel: A New Specialty Vegetable
Magness, J.R., G.M. Markle, C.C. Compton. 1971. Food and feed crops of the United States.
Foeniculum vulgare Mill.Florence Fennel
Foeniculum vulgare Mill.Fennel
Foeniculum vulgare Mill. var. piperetum (DC.) Bail.Italian Fennel