1844
20 Nassau Street
Formerly in a partnership with Wellington Guernsey, trading under 'Guernsey & De Vine' (April – October 1843) at 20 Nassau Street.
Guernsey & De Vine Guernsey, Wellington
Dublin Directories
Boydell, Brian, ‘Devine, George', Dublin Music Trade Card Index <http://dublinmusictrade.ie/card-index>