TY  - BOOK
AU  - Walker, Arthur L. and Others
AU  - Roach, J. Kenneth ; jt. auth.
AU  - Hanna, J. Marshall ; jt. auth.
TI  - How to use adding and calculating machines
U1  - 651.82 
PY  - 1967///
CY  - New York
PB  - McGraw-Hill
ER  -