Paris: Oriental Translation Fund of Great Britain and Ireland, 1871.

Oriental Translation Fund of Great Britain and Ireland, 1843.

London: Oriental Translation Fund, 1832.

Paris: Oriental Translation Fund.

London: Oriental Translation Fund, 1842.

London: Oriental Translation Fund of Geat Britain and Ireland (1833).

London: Oriental Translation Fund of Great Britain and Ireland, 1846.

Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland.

Yan Yu's historical significance was confirmed when his mission was specifically mentioned in a widely-distributed history published by the Oriental Translation Fund in 1834.

Jo Hyeong's historical significance was confirmed when his mission and his name were specifically mentioned in a widely-distributed history published by the Oriental Translation Fund in 1834.