1. The Social History of Smoking;Apperson,1914
2. Perspectives on the History of Psychoactive Substance Use;Austin,1978
3. The expression of a nopaline synthase - human growth hormone chimaeric gene in transformed tobacco and sunflower callus tissue;Barta;Plant Mol. Biol.,1986
4. The Mighty Leaf; Tobacco through the Centuries, Little, Brown and Co;Brooks,1952
5. Introduction of tobacco in Europe;Castiglione;CIBA Symp.,1943