Adeiladwyd y sefydliad hwn, y llyfrgell genedlaethol ac eraill drwy bensaernïaeth adeiladu cenedl ar ddiwedd y 19eg a dechrau'r 20fed ganrif yng Nghymru.
This institution, the national library and others were the architecture of nation-building in late 19th and early 20th century Wales.