1. Combined tumors of the kidney;Graves;J. Urol.,1921
2. Hypernephroma, papilloma and stone occurring in horse-shoe kidney;de Vries;Amer. J. Surg.,1930
3. Proceedings of the Fifth Congress of the International Society of Urology;Wildbolz,1933
4. Papillary carcinoma and hypernephroma occurring in the same kidney with report of a case;Balch;J. Urol.,1935
5. Papilloma of the renal pelvis associated with an early renal cell carcinoma;Dick;Lahey Clin. Bull.,1942