Rule 497(j)
Reg. No. 33-7230
Pursuant to Rule 497 (j) promulgated under the Securities Act of
1933, the Registrant, Dean Witter Select Municipal Trust, Insured
Long Term Series 38, hereby certifies as follows:
1) the form of prospectus that would have been filed under
paragraph (b) of Rule 497 does not differ from that
contained in the most recent amendment to the registration
statement, and
2) the text of the said amendment to the registration statement
has been filed electronically.
DEAN WITTER SELECT MUNICIPAL TRUST,
INSURED LONG TERM SERIES 38
By: Dean Witter Reynolds Inc.
(Depositor)
Thomas Hines
Thomas Hines
Authorized Signatory