World War Key

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Key Battles of World War One                    

Usborne

The Second World War (Usborne History of Britain)

Hodder Education

The First World War with Imperial War Museums    

Independently published

World War 2: The Key Events Of WWII              

Usborne Publishing Ltd

First World War                                  

Encyclopedia Britannica

Key Figures of World War II (Biographies of War) (English Edition)

Encyclopedia Britannica

Key Figures of World War I (Biographies of War) (English Edition)

Key Battles of World War II: Conflicts That Redefined World Borders And Shaped The Course of History (English Edition)

Hodder Children's Books

World War II                                    

Heinemann/Raintree

Key Battles of World War I