TY  - BOOK
AU  - Walsh, Ben 
TI  - Cambridge IGCSE and O Level History : Option B, the 20th Century
SN  - 9781510421189
U1  - 909.82 DDC20
PY  - 2018///
CY  - London
PB  - Hodder Education
KW  - History, Modern -- 20th century -- Examinations -- Study guides
ER  -