A Treatise on Tobacco, Tea, Coffee, and Chocolate, by Simon Paulli (1746) (start transcription)
Cocoa and Chocolate: A Short History of Their Production and Use, by Walter Baker & Company (1904) (transcription project)
Cocoa and Chocolate: Their History From Plantation to Consumer, by Arthur William Knapp (1920) (start transcription)
Coffee, Tea, and Chocolate: Their Influence Upon the Health, the Intellect, and the Moral Nature of Man, by Auguste Saint-Arroman (1846) (start transcription)