Simon, J.E., A.F. Chadwick and L.E. Craker. 1984. Herbs: An Indexed Bibliography. 1971–1980.
Magness—J.R., G.M. Markle, C.C. Compton. 1971. Food and feed crops of the United States.
Onions and its Relatives—production links
Outside Links
Allium spp.—FAO/IPGRI Technical Guidelines for the Safe Movement of Germplasm No. 18—Link to the publication on the International Plant Genetic Resources Institute web site