The Encyclopedia Americana : the international reference work, volume 5
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 10
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 15
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 20
Americana Corporation, 1960
Buku Referensi
The Encyclopedia Americana : the international reference work, volume 2
Americana Corporation, 1960
Buku Referensi