 The publications of the British diplomat Charles Alfred Bell contributed towards the establishment of tibetology as an academic discipline.As outstanding tibetologists of the 20th century the British Frederick William Thomas, David Snellgrove, Michael Aris, and Richard Keith Sprigg, the Italians Giuseppe Tucci and Luciano Petech, the Frenchmen Jacques Bacot and Rolf Alfred Stein, finally the Germans Dieter Schuh and Klaus Sagaster, may be mentioned.Since a few decades, particularly in Anglo-Saxon countries, the study of Tibet and Tibetology open itself towards other disciplines, resulting in works with interdisciplinary approach.