SEARS MUNICIPAL TRUST LONG TERM PORTFOLIO SERIES 112, 497J, 1994-09-16

SEARS MUNICIPAL TRUST LONG TERM PORTFOLIO SERIES 112
497J, 1994-09-16

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                                             Rule 497(j)
                                             Reg. No. 33-39496
                                             Reg. No. 33-40712
                                             Reg. No. 33-26715
                                             Reg. No. 33-31024


Pursuant to Rule 497 (j) promulgated under the Securities Act of 1933, the
Registrant, Dean Witter Select Municipal Trust, Insured Long Term Series 37,
Texas Portfolio Series 9 (Insured), Long Term Portfolio Series 112 and
Tennessee Portfolio Series 3, 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 37
                         TEXAS PORTFOLIO SERIES 9 (INSURED)
                         LONG TERM PORTFOLIO SERIES 112
                         TENNESSEE PORTFOLIO SERIES 3

                    By:  Dean Witter Reynolds Inc.
                              (Depositor)


                              Michael D. Browne
                              Michael D. Browne
                              Authorized Signatory