1. “Bulb and Corm Production.”,1964
2. “The Ball Red Book.”,1975
3. First international symposium on flowerbulbs;Acta Hortic.,1971
4. Bing, A. (1971). Cut Tulips for Commercial Growers from Dry-Stored Bulbs. Cornell Univ. Ext. Bull. 1221 Ithaca, New York.
5. The effects on growth and flowering of the chemical growth regulators ethephon on Narcissus and ancymidol on tulip;Briggs;Acta Hortic.,1975