Gray, Basil
Faber and Faber Ltd, 1959
Buku Teks
Wanchope, R.S., author
Calcutta General Print, 1933
Buku Teks
New York Graphic Society, 1959
Buku Referensi
Vincent, Irene Vongehr
University of Chicago, [date of publication not identified]
Buku Teks
Thake, Eric
Gryphon Books, 1982
Buku Teks