Sampson, George, author
University Press, 1959
Buku Teks
Sampson, George, author
Cambridge University Press, 1972.
Buku Teks
edited by Francis Robinson
Cambridge University Press, 1996
Buku Teks
edited by Francis Robinson
Cambridge University Press, 1996
Buku Referensi
Cambridge University Press, 2017
Buku Teks