<ARTICLE> 5
<CIK> 0000760386
<NAME> WELLESLEY LEASE INCOME LIMITED PARTNERSHIP III-D

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                         283,692
<SECURITIES>                                         0
<RECEIVABLES>                                   15,461
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               300,882
<PP&E>                                       2,649,680
<DEPRECIATION>                               1,958,575
<TOTAL-ASSETS>                                 991,987
<CURRENT-LIABILITIES>                           62,645
<BONDS>                                         55,116
<PREFERRED-MANDATORY>                        8,988,039
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                 (8,113,813)
<TOTAL-LIABILITY-AND-EQUITY>                   991,987
<SALES>                                        437,755
<TOTAL-REVENUES>                               469,377
<CGS>                                                0
<TOTAL-COSTS>                                   31,305
<OTHER-EXPENSES>                               380,006
<LOSS-PROVISION>                                 (938)
<INTEREST-EXPENSE>                               6,328
<INCOME-PRETAX>                                 52,676
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             52,676
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    52,676
<EPS-BASIC>                                     1.82
<EPS-DILUTED>                                        0