Remarks on Mr. MacGregor's fourteenth report to Her Majesty's Privy Council for Trade touching the customs' tariff, commercial regulations, and trade of Portugal - Smith, Theophilus Isles (Commercial Printing Office, 1844)
"Reprinted by order of the Commercial Association of Oporto.". - Goldsmiths'-Kress no. 33731. - OCLC, 18300643. - Reproduction of original from Goldsmiths' Library, University of London