editor Joseph G. E.Hopkins
Charles Scribner's Sons, 1964
Buku Referensi
Charles Scribner's Sons , 1981
Buku Referensi
edited by Robert Richards
Littlefield, Adams, 1955
Buku Referensi
editor Thomas C. Cochran, Wayne Andrew
Charles Scribner's Sons , 1962
Buku Referensi
David B. Guralnik, general editor
The World Publishing Co., 1956
Buku Referensi