Ronald, D. A. B., author
an imprint of Bloomsbury Publishing Plc, 2015
Buku Teks
Kennedy, Gavin
Duckworth, 1989
Buku Teks
McDermott, Hubert, author
Macmillan, 1989
Buku Teks
Stephen, Leslie, 1832-1904, author
University Paperbacks, 1963
Buku Teks
Runge, Laura L., author
Cambridge University Press, 1997
eBooks