Victoria Neufeldt, Andrew N. Sparks, editor
Simon & Schuster, 1989
Buku Referensi
American Book Company, [1914]
Buku Referensi
David B. Guralnik, general editor
The World Publishing Co., 1956
Buku Referensi
The World Publishing Co., 1951
Buku Referensi
The World Publishing Co., 1960
Buku Referensi