1. Ueber Hamartome;Albrecht;Verhandl. d. deutsch. path. Gesellsch.,1904
2. Chiari: Quoted by Hickey and Simpson.4
3. Mixed Tumors of the Lung, So-called Bronchial or Pulmonary Adenoma;Womack;Arch. Path.,1938
4. Primary Chondroma of the Lung;Hickey;Acta radiol.,1926
5. I condromi del polmone;Verga;Pathologica,1932