1. Butt AJ: Historical survey. Pages 3–47 in: Etiologic Factors in Renal Lithiasis. Butt AJ (editor). Thomas, 1956
2. Joly JS: Stones and Calculous Disease of the Urinary Organs. Mosby, 1929
3. Keyser LD: The etiology of urinary lithiasis: An experimental study. Arch Surg 1923; 6:525
4. Murphy LJ: The History of Urology. Thomas, 1972
5. Resnick MI, Boyce WH: Aetiological theories of renal lithiasis: A historical review. Chap 1, pp 1–20, in: Urinary Calculous Disease. Wickham JEA (editor). Churchill Livingstone, 1979