books.google.com.br - First published in 1949, this remarkable book is the culmination of a life-long study of every aspect of the potato. Dr Salaman is concerned first with the history of the potato as a member of the botanical genus Solanum, its adaptation by man as a cultivated plant, and the record of its spread throughout...http://books.google.com.br/books/about/The_History_and_Social_Influence_of_the.html?hl=pt-BR&id=EV4YE_0RsywC&q=Peru&utm_source=gb-gplus-shareThe History and Social Influence of the Potato
