TY  - BOOK
AU  - Unstead,R.J.
AU  - Worthy,William
TI  - Black's childre's encyclopedia
SN  - 0713616822
U1  - R 031 
PY  - 1976///
CY  - London
PB  - Morison & Gibb
KW  - Encyclopedias and dictionaries
ER  -