edited by Henry Steele Commager
Appleton-Century-Crofts, 1949
Buku Referensi
Oxford University Press, 1981
Koleksi Publik
Clark, Manning, 1915-1991, author
Oxford University Press, 1957
Buku Teks
edited by Leonie Kramer
Oxford University Press, 1981
Buku Teks
Victoria : Deakin University
Majalah, Jurnal, Buletin