The following is an index to property transfer deeds and party wall agreements recorded at the Suffolk County Deed Registry from the original land purchase until conversion of the building into condominiums. Mortgages, trust agreements, and other similar recorded documents are not included. This index is intended as a guide only; actual deeds should be reviewed for details.
| Transfers of Land and Buildings | ||||
| Date of Deed | Grantor | Grantee | Book | Page |
| 11Dec1979 | Stephen V. Miller, trustee, 203-205 Mil-Cav Renewal Trust (203-205 Commonwealth) | 203 Commonwealth Condominium | 9334 | 129 |
| 10May1979 | Nick Haddad, trustee, Cook Realty Trust (203-205 Commonwealth) | Stephen V. Miller, trustee, 203-205 Mil-Cav Renewal Trust | 9178 | 503 |
| 14Jan1970 | University Hospital, Inc. (203-205 Commonwealth) | Nick Haddad, trustee, Cook Realty Trust | 8338 | 341 |
| 01Jun1949 | Elizabeth S. Sprague | Massachusetts Memorial Hospitals, Inc. | 6544 | 18 |
| 11Jun1947 | Elizabeth Sprague Stout (formerly Elizabeth Sprague Simonds) | Elizabeth S. Sprague | 6360 | 337 |
| 23Dec1936 | Elizabeth S. Sprague | Elizabeth Sprague Simonds | 5859 | 577 |
| 28Apr1930 | Old Colony Trust Company | Elizabeth S. Sprague | 5184 | 110 |
| 05Mar1925 | Henry C. Brookings | Old Colony Trust Company, trustee, Phineas W. Sprague Insurance Trust | 4658 | 624 |
| 04Mar1925 | Old Colony Trust Company, trustee under the will of Georgie L. Morse | Henry C. Brookings | 4658 | 621 |
| 11Feb1896 | Tyler Morse | Georgie L. Morse | 2339 | 125 |
| 17Apr1894 | Isidor Morse | Georgie L. Morse | 2192 | 45 |
| Transfers of Unimproved Land | ||||
| Date of Deed | Grantor | Grantee | Book | Page |
| 18Sep1883 | Henry M. Whitney | Leopold Morse | 1612 | 113 |
| 13Jun1883 | S. Endicott Peabody | Henry M. Whitney | 1604 | 35 |
| 20Mar1883 | Commonwealth of Massachusetts | Samuel Endicott Peabody | 1592 | 26 |
| Party Wall Agreements | ||||
| Date | Party One | Party Two | Book | Page |
| 25Jun1888 | J. Arthur Beebe (owner of 199 Commonwealth) | Leopold Morse (owner of 203 Commonwealth) | 1832 | 291 |
| 21Nov1883 | S. Endicott Peabody (owner of 205 Commonwealth) | Leopold Morse (owner of 203 Commonwealth) | 1618 | 636 |