The Encyclopedia Americana : the international reference work, volume 4
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 9
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 14
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 19
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 24
Americana Corporation, 1960
Buku Referensi