Tratado sobre el ganado merino y las lanas finas de España = A treatise on the merino sheep and the fine wools of Spain - Bowles, William (Thomas Rodd, 1811)
Goldsmiths'-Kress no. 20229. - OCLC, 16912284. - Reproduction of original from Goldsmiths' Library, University of London. - The Spanish and English texts are printed on alternate pages