TY  - BOOK
AU  - Blumenthal,Joseph C.
TI  - English 2600: a programed course in grammar and usage 
SN  - 0-15-522690-8
AV  - PE1112.5 B58 1973
PY  - 1973///
CY  - New York, N. Y.
PB  - Harcourt Brace Jovanovich
ER  -