Encyclopaedia britannica : Macropaedia Knowledge in depth Vol 2 .-15th Edn
Preece W E
Encyclopaedia britannica : Macropaedia Knowledge in depth Vol 2 .-15th Edn - Encyclpaedia Britannica Inc, Chicago 1977
030 War
Encyclopaedia britannica : Macropaedia Knowledge in depth Vol 2 .-15th Edn - Encyclpaedia Britannica Inc, Chicago 1977
030 War