Cunliffe, Marcus, author
A Mentor Books, 1963
Buku Teks
Cunliffe, Marcus, author
A Mentor Books, 1960
Buku Teks
Schroeder, John Frederick, author
The Mount Vernon Ladies Association, 1947
Buku Teks
Weeks, Christopher, author
Johns Hopkins University Press, 1994
Buku Referensi
Kilian, Michael
st Matins, 1982
Buku Teks