Fischer, Fritz
Germany's aims in the first world war
W.W. Norton, 1967
Buku Teks SO
Gilbert, Martin
The Routledge atlas of the first world war
Routledge, 1994
Buku Teks
Fredericks, Pierce
The great adventure : America in the first world war
E.P. Dutton, 1960
Buku Teks SO
Fischer, Fritz
World power or decline: the controversy over Germany's aims in the first world war
W.W. Norton, 1974
Buku Teks SO
Thomson, David
England in the eighteenth century 1815-1914 : from Waterloo to the first world war
Penguin Books , 1950
Buku Teks SO