The Encyclopedia Americana : volume 22
Americana Corporation, 1964
 Buku Referensi
Collier's encyclopedia : volume 22
Macmillan Educational Company, 1990
 Buku Referensi
The Encyclopedia Americana : volume 22
Grolier, 1994
 Buku Referensi
The World book encyclopedia : volume 22
World Book, 1984
 Buku Referensi
Encyclopaedia Britannica : volume 22
Encyclopaedia Britannica Inc., 1967
 Buku Referensi
<<   6 7 8   >>