edited by Henry Praty Fairchild
Littlefield, Adams & Co., 1962
Buku Referensi
edited by Harold Benjamin
McGraw-Hill, 1959
Buku Referensi
Himus, Godfrey W., author
Harmondsworth, Middlesex, 1954
Buku Referensi
Los Angeles : John C. Winston, 1942
Buku Referensi
The Macquarie Library, 1996
Buku Referensi