Which British shipping line has a full title incorporating Boston Packers, and operated the SS Justicia?
SS Justicia SS "Justicia was a British troopship sunk during the First World War. She was laid down as SS "Statendam, a 32,234 gross-ton ocean liner built for the Holland America Line by Harland and Wolff in Belfast. Before the ship was completed she was acquired by the British government and operated on behalf of the shipping controller by the White Star Line.
SS Duchess of York (1928) SS "Duchess of York" was a 20,021 ton ocean liner operated by the Canadian Pacific Steamship Company. Built in 1928 in Clydebank by the shipbuilders John Brown & Company, she was originally intended to be named "Duchess of Cornwall". However agreement was reached with Red Funnel company to swap names with the latter's paddle steamer "Duchess of York", launched in 1896.