1. “Perforation of Tuberculous Glands into a Bronchus,”;Kraan;Acta Tuberc. Scandinav.,1950
2. “Ein brüche tub. Lymphknoten in das Bronchialsystem u. ihre pathogenetische Bedeutung,”;Schwartz;Beitr. z. Klin. d. Tub.,1950
3. “Signification pathogénique des perforations lympho-glandulaires intrathoraciques au point de vue de la phtisie pulmonaire et des ses complications,”;Schwartz;Le Poumon,1950
4. “The Role of the Lymphatics in the Pathogenesis of Bronchogenic Tuberculosis,”;Schwartz;Transactions Nat. Tub. Ass., pp.,1952
5. “Die Path. Anatomie der Bronchustuberkulose,”;Ühlinger;Bibl. Tuberculosa,1950