I. Introduction.- II. Early Diagnosis Bronchogenic Carcinoma.- III. Bronchoscopy and Intensive Care Medicine.- IV. Complications in Bronchological Investigations.- V. Bronchography in the Diagnosis of Lung Disease.- VI. Sarcoidosis.- VII. Flexible or Rigid Bronchoscopy?.- VIII. Tracheo-Bronchial Corrective and Plastic Surgery.- IX. Perbronchial Fine Needle Aspiration.- X. Transbronchial Biopsy.- XI. Further Diagnostic Procedures.- XII. Pathophysiology in Bronchology.- XIII. Nucociliary Function.- XIV. Bronchoscopy as an Office Procedure.- XV. Pediatric Bronchology.- XVI. Emdoscopic Laser, Cryo- and Electrotherapy.- XVII. Further Topics and Case Reports.- References.- First Author Index.