The Encyclopedia Americana : volume 17
Americana Corporation, 1964
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Collier's encyclopedia : volume 17
Macmillan Educational Company, 1990
Buku Referensi
Encyclopedia of knowledge : volume 17
Grolier Incorporated, 1991
Buku Referensi
The Encyclopedia Americana : volume 17
Grolier, 1994
Buku Referensi
The World book encyclopedia : volume 17, T
Field Enterprises Educational Corporation, 1963
Buku Referensi