The keeper of ancient Immortal histories, Tamer was able to read scripts from the time-before-time.
By the Golden Bull the palatine acquired something of the quality of a responsible minister, as " intermediary between the crown and people, guardian of the nation's rights, and keeper of the king's conscience " (Knatchbull-Hugessen, i.
1857), keeper of the archives at Oxford, lecturer in diplomatic, and author of various historical works, carried on the family tradition of scholarship.
In 1856 he was elected member of the Accademia della Crusca, in which capacity he took part in the compilation of its famous but still unfinished dictionary, and two years later was appointed assistant keeper of the Tuscan archives, in Florence; then he took charge of the famous Medici archives, whence he collected a vast body of material on the history of Italian art, not all of which is yet published.
During his prolonged residences abroad he acquired a thorough knowledge of the Arabic, Turkish and Persian languages and literatures, which, on his final return to France, enabled him to render valuable assistance to Thevenot, the keeper of the royal library, and to Barthelemy d'Herbelot.