TY  - BOOK
AU  - Blumenthal,Joseph C.
TI  - English 2600: A programmed course in grammar and usage 
SN  - 0-15-522716-5
PY  - 1981///
CY  - New York, San Diego
PB  - Harcourt Brace Jovanovich College Publ.
KW  - English language - Grammar
N2  - Includes index
ER  -