Merryman, John Henry
Stanford University Press, 1969
Buku Teks
Merryman, John Henry
Stanford University Press, 1985
Buku Teks
Freymond, Jacques
Frederick A. Preager, 1964
Buku Teks
British Library, 1994
Buku Referensi
Bone, Hugh A.
University of Washington Press, 1958
Buku Teks