TY  - BOOK
AU  - Zaffo,George J.
TI  - The big book of real building and wrecking machines
T2  - Big treasure books
AV  - TH9Z3 
U1  - 621.86 
PY  - 1951///
CY  - New York
PB  - Grosset & Dunlap
KW  - Construction equipment
KW  - Road machinery
KW  - Building
KW  - Juvenile literature
KW  - Machinery
UR  - http://www.archive.org/details/bigbookofrealbui00zaff
UR  - http://www.openlibrary.org/books/OL6088621M
ER  -