TY  - BOOK
AU  - Elton, G.R..
TI  - Political History: Principles and Practice / 
SN  - 0-7139-0171-3
U1  - V0bW 
PY  - 1985///
CY  - London W1 : 
PB  - Allen Lane, The Penguin Press , 
KW  - Political History
ER  -