1. USDA, Agricultural Research Service, Sugarcane Field Station 12990 US Highway 441 N Canal Point FL 33438 USA
2. Florida Sugar Cane League, Inc. P.O. Box 1208 Clewiston FL 33440 USA
3. Everglades Research and Education Center Univ. of Florida 3200 East Palm Beach Rd. Belle Glade FL 33430 USA
4. USDA, Agricultural Research Service National Agricultural Library 10301 Baltimore Ave. Beltsville MD 20705 USA