Gcse modern world history

If anyone has any notes on these topics, please can I see them ASAP as my exams are next week and I need new resources. If you don't have notes but know any other good resources for revision on these topics, please let me know!!
Topics are...
-Hitler's foreign policy and the origins of the Second World War
- The origins of the Cold War 1945-1960
- Crisis of the Cold War and Détente 1960-1980
-From Tsardom to Communism; Russia 1914-1924
- Stalin's Dictatorship; USSR 1924-1941
-Race Relations in the USA 1945-1968

thanks!!