TY  - BOOK
AU  - Willett,Wilfred
AU  - Green,Roland
TI  - British birds
U1  - 598.2942 
PY  - 1948///
CY  - London
PB  - A. and C. Black
KW  - Birds
KW  - Great Britain
KW  - Ornithology
N1  - Includes index
ER  -