TY  - BOOK
TI  - The Illustrated encyclopedia of knowledge / 
AV  - AG6 .I38 1978
U1  - 001.03 
PY  - 1978///
CY  - New York
PB  - Marshall Cavendish
KW  - Children's encyclopedias and dictionaries
N1  - Originally published under title: Tree of knowledge; Includes index; v. 1, v. 2, v. 3, v. 4, v. 5, v. 6, v. 7, v. 8, v.9, v. 10, v. 11, v.12, v. 13, v. 14, v. 15, v. 16, v. 17, v. 18, v. 19, v. 20
ER  -