Karpov, E.L.
Moskow: Vy'sshaya Shakola, 1966
Buku Teks
Tate, Audrey Patricia, 1927-
Victoria Melbourne University Press 1991
Buku Teks
Hemmings, F.W.J.
London Oxford University Press 1966
Buku Teks
Munchen Francke 1967
Buku Referensi
Hoorn, Herman Jan Willem van
Geneva, Paris Librairie E Droz, Librairie Monard 1957
Buku Teks