The influence of tropical climates, more especially the climate of India, on European constitutions; the principal effects and diseases thereby induced, their prevention or removal, and the means of preserving health in hot climates, rendered obvious to to Europeans in every capacity: An essay .

Digital facsimile from the Internet Archive at this link. Enlarged and retitled second edition: The influence of tropical climates on European constitutions: to which is added tropical hygiene, or the preservation of health in all hot climates, (adapted to general perusal) (1813). Digital facsimile of the 2nd ed. from the Internet Archive at this link. There were also several later editions.