TY  - ADVS
AU  - Marwick,Arthur
ED  - British Broadcasting Corporation
TI  - Primary sources: the raw material of history 
PY  - 1970///
CY  - Milton Keynes
PB  - Open University
KW  - History
KW  - Sources
KW  - Study and teaching
N1  - History of London is used as a model to show how historian could access to sources and information on history; Converted into VHS
ER  -