A treatise on the wines of Portugal; and what can be gathered on the subject and nature of the wines, &c : Since the establishment of the English factory at Oporto; Anno 1727: also, a dissertation on the nature and use of wines in general; imported into Great-Britain, as pertaining to luxury and diet. In two parts. The second edition, corrected and enlarged. By John Croft, S.A.S. member of the factory at Oporto, and wine-merchant, York.