Board of Trade: Merchandise Marks Standing Committee: Papers, su discovery.nationalarchives.gov.uk, Archivi nazionali (Regno Unito). URL consultato il 20 ottobre 2012.
«The Merchandise Marks Act 1887 required, for the first time, that the country of origin should be marked on any imported goods bearing the name or trade mark of a United Kingdom manufacturer. . . . Under the Act, the addition of the country of origin to imported goods of any series or description could be enforced by Order in Council.»
