Pigeonpeas: Potential New Crop for the Southeastern United States—Sharad C. Phatak, Ram G. Nadimpalli, Suresh C. Tiwari, and Harbans L. Bhardwaj
New Crops and the International Agricultural Research Centers—Robert B. Bertram
Alternative Crops Research in Virginia—Harbans L. Bhardwaj, Andy Hankins, Tadesse Mebrahtu, Jimmy Mullins, Muddappa Rangappa, Ozzie Abaye, and Gregory E. Welbaum
New Forage, Grain, and Energy Crops for Humid Lower South, US—Gordon M. Prine and Edwin C. French
Chickpea, Faba Bean, Lupin, Mungbean, and Pigeonpea: Potential New Crops for the Mid-Atlantic Region of the United States—Harbans L. Bhardwaj, Muddappa Rangappa, and Anwar A. Hamama
Handbook of Energy Crops—James A. Duke. 1983. unpublished.
Magness, J.R., G.M. Markle, C.C. Compton. 1971. Food and feed crops of the United States.