TY  - BOOK
AU  - Blumenthal,Joseph C
TI  - English 2600 : a programed course in grammar and usage
U1  - 425 B658E 1973 
PY  - 1973///
CY  - New York
PB  - Harcourt Brace Jovanovich
KW  - English language
KW  - Composition and exercises
KW  - Programmed instruction
N1  - Include index
ER  -