J.H.B. Roy (Roy, J.H.B.)

• 
  The Calf
  by J.H.B. Roy
  Hardcover, Butterworths, ISBN 0408709413 (0-408-70941-3)
• 
  The Calf: Management of Health
  by J.H.B. Roy
  Hardcover, Butterworth-Heinemann, ISBN 040700520X (0-407-00520-X)