pdf (Cambridge IGCSE) Ben Walsh – Cambridge IGCSE Modern World History_ Option B_ The 20th Century-Hodder Education (2014).pdf
pdf Robin Bunce, Nigel Kelly Laura Gallagher – Edexcel GCSE History A the Making of the Modern World_ Unit 1 International Relations_ the Era of the Cold War 1943-91 SB 2013-Edexcel Limited (2013).pdf
pdf iGCSE – Hodder Cambridge – 20th Century History – International Relations since 1919 – Workbook.pdf
