Davis Polk & Wardwell
450 Lexington Avenue
New York, New York 10017
January 24, 1994
Re: Defined Asset Funds -
Municipal Investment Trust Fund,
Pennsylvania Series A
1933 Act Number 2-88250
1940 Act Number 811-1777
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D. C. 20549
Dear Sirs:
On behalf of Merrill Lynch, Pierce, Fenner & Smith
Incorporated, as agent
for the sponsors of the above referenced trust,
we hereby withdraw pursuant
to Rule 477 the
Post-Effective Amendment No. 8 to Form S-6
(the "Registration Statement")
filed in error with respect to the above-referenced
trust on October 25, 1993.
Very truly yours,
Kenneth H. Chase
