Wallbank, T. Walter
Civilization, past and present
Scott, Foresman, 1965
 Buku Teks
Wallbank, T. Walter
Civilization : past and present
Scott, Foresman, 1967
 Buku Teks
Wallbank, T. Walter
Civilization : past and present Volume 1
Scott, Foresman, 1965
 Buku Teks
Wallbank, T. Walter
Civilization : past and present Volume 2
Scott, Foresman, 1965
 Buku Teks
The Hispanic world : civilization and empire Europe and the Americas past and present / Edited by J.H. Elliott
Thames and Hudson,, 1991
 Buku Teks