TY  - BOOK
AU  - Petter, Helen Mary, ill.
AU  - Salt, Laura E., ed.
AU  - Sinclair, Robert, ed.
TI  - Oxford junior encyclopedia
U1  - R 030 21st ed.
PY  - 1955///
CY  - London
PB  - Oxford University Press
KW  - Commerce-Encyclopedias and dictionaries
KW  - Economics
KW  - Encyclopedias and dictionaries
KW  - Industries-Encyclopedias and dictionaries
N1  - Content: v.7: Industry and commerce
ER  -