<ARTICLE> 5 <CIK> 0000760386 <NAME> WELLESLEY III-D FDS 9/30/99 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> SEP-30-1999 <CASH> 360,849 <SECURITIES> 0 <RECEIVABLES> 43,463 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 404,312 <PP&E> 2,550,722 <DEPRECIATION> 2,011,523 <TOTAL-ASSETS> 943,511 <CURRENT-LIABILITIES> 131,201 <BONDS> 14,937 <PREFERRED-MANDATORY> 8,988,039 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> (8,190,666) <TOTAL-LIABILITY-AND-EQUITY> 943,511 <SALES> 628,278 <TOTAL-REVENUES> 677,516 <CGS> 0 <TOTAL-COSTS> 47,943 <OTHER-EXPENSES> 541,423 <LOSS-PROVISION> (938) <INTEREST-EXPENSE> 7,029 <INCOME-PRETAX> 82,059 <INCOME-TAX> 0 <INCOME-CONTINUING> 82,059 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 82,059 <EPS-BASIC> 3.01 <EPS-DILUTED> 0