edited by Kirsten Malmkjær, James M. Anderson
Routledge, 1991
Buku Referensi
Columbia University Press, 1950
Buku Referensi
edited by Vergilius Ferm
Littlefield, Adam and Co., 1959
Buku Referensi
introduction by David Battie
Crescent Books, 1991
Buku Referensi
Buku Teks