1. Bejach, E. Die tabakgegnerische Bewegung in Deutschland mit Berücksichtigung der ausserdeutschen Tabakgegnerbewegungen 3–4 Thesis, University of Berlin (1927).
2. Kluger, R. Ashes to Ashes: America's Hundred–Year Cigarette War, the Public Health, and the Unabashed Triumph of Philip Morris 13 (Knopf, New York, 1996).
3. Swoger, K. Report says smoking has benefits. Prague Post Online (June 27, 2001).
4. Hill, J. Cautions Against the Immoderate Use of Snuff 27–38 (Baldwin & Jackson, London, 1761).
5. Soemmerring, S. T. De Morbis Vasorum Absorbentium Corporis Humani 109 (Varrentrapp and Wenner, Frankfurt, 1795).