Firth, Raymond, author
Thomas Nelson and Sons, 1947
Buku Teks
Firth, Raymond, author
Thomas Nelson and Sons, 1950
Buku Teks
Firth, Raymond, author
The New American Library, 1958
Buku Teks
Firth, Raymond, author
Thomas Nelson and Sons, 1945
Buku Teks
Avebury, Lord
Longman, Green and Co., 1912
Buku Teks