1. Pathologische Anatomie;Aschoff,1923
2. Modern Urology;Cabot,1936
3. Pyonephrosis with nephrobronchial fistula;Crenshaw;J. Urol.,1933
4. Recumbent posture cough with purulent expectoration. An indicative symptom in a case of perinephric abscess which had ruptured into a bronchus;von Deesten;J. A. M. A.,1927
5. Principles and Practice of Urology;Hinman,1935