The Encyclopedia Americana : the international reference work, volume 3
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 6
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 8
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 11
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 13
Americana Corporation, 1960
Buku Referensi