Edexcel AS/A Level History, Communist states in the 20th Century Bushnell, Nigel
Great Mysteries of the 20th Century Reader's Digest Hardback 2000 Tim Healey
Cambridge IGCSE and O Level History 3rd Edition: Option B: The 20th century
Hutchinson 20th Century Encyclopedia, Seventh Edition, by E.M. Horsley, 1986
21-20th Century Design Art Nov. 19 2002 Phillips De Pury & Luxembourg Catalogue
