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<PAGE> PAGE 2
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<PAGE> PAGE 6
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SIGNATURE THOMAS G. ROSE
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>001
<NAME> SELIGMAN PENNSYLVANIA TAX-EXEMPT FUND CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1996
<PERIOD-END> MAR-31-1996
<INVESTMENTS-AT-COST> 31915
<INVESTMENTS-AT-VALUE> 32920
<RECEIVABLES> 614
<ASSETS-OTHER> 55
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 33589
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 278
<TOTAL-LIABILITIES> 278
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 32308
<SHARES-COMMON-STOCK> 4185<F1>
<SHARES-COMMON-PRIOR> 4269<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (3)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1005
<NET-ASSETS> 32408<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 981<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (193)<F1>
<NET-INVESTMENT-INCOME> 788<F1>
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 206
<NET-CHANGE-FROM-OPS> 1012
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (788)<F1>
<DISTRIBUTIONS-OF-GAINS> (396)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 98<F1>
<NUMBER-OF-SHARES-REDEEMED> (268)<F1>
<SHARES-REINVESTED> 86<F1>
<NET-CHANGE-IN-ASSETS> (366)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 403
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 84<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 193<F1>
<AVERAGE-NET-ASSETS> 33517<F1>
<PER-SHARE-NAV-BEGIN> 7.79
<PER-SHARE-NII> .19<F1>
<PER-SHARE-GAIN-APPREC> .04<F1>
<PER-SHARE-DIVIDEND> (.19)<F1>
<PER-SHARE-DISTRIBUTIONS> (.09)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 7.74<F1>
<EXPENSE-RATIO> 1.15<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>004
<NAME> SELIGMAN PENNSYLVANIA TAX-EXEMPT FUND CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> SEP-30-1996
<PERIOD-END> MAR-31-1996
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<INVESTMENTS-AT-VALUE> 32920
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<SHARES-COMMON-PRIOR> 55<F1>
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<ACCUMULATED-NET-GAINS> (3)
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<NET-ASSETS> 903<F1>
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<DISTRIBUTIONS-OF-INCOME> (18)<F1>
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<SHARES-REINVESTED> 2<F1>
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<ACCUMULATED-NII-PRIOR> 0
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<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
