COMPUTERVISION CORP /DE/

Q: Nov 12 1997

Q: Jun 29 1997

Q: Mar 30 1997

FY: Dec 31 1996

FY: Dec 31 1996

FY: Dec 31 1996

FY: Dec 31 1996

Q: Nov 13 1996

Q: Aug 12 1996

Q: May 14 1996

5

5,7

Current report pursuant to Section 13 or 15(d)

2

2

2

Current report pursuant to Section 13 or 15(d)

2,7

5

5

5

5

5

5

5

5

5

5

5

5

Certification of termination of registration of a class of securities (Section 12(g))

Post-effective amendment to a registration statement

No description available

Definitive Proxy Statement

MERRILL LYNCH & CO INC

MERRILL LYNCH & CO INC

PARAMETRIC TECHNOLOGY CORP

MERRILL LYNCH & CO INC

CREDIT SUISSE FIRST BOSTON/

CREDIT SUISSE FIRST BOSTON INC

ZURICH KEMPER INVESTMENTS INC

MERRILL LYNCH & CO INC