| Reference Number | Title | Date |
| RCPI/3/9/4 | Legacy from Dr Winter | 1927-1936 |
| MS/27 | William Harvey Tercentenary | May 1928 |
| VM/1/2/W/16 | William Winter | 1929-1930 |
| VM/1/1/5 | Roll of Presidents Vol III - 1915- | [twentieth century] |
| HI/1936-1 | Portrait of William Winter | 1936 |
| RCPI/2/3/2/13/170 | Letter to the Secretary of the Committee of Management, Conjoint Board of Ireland, Dublin | 3 June 1916 |
| RCPI/2/3/1/59/Upsilon24 | Letter from W A Winter, 17 Fitzwilliam Place, Dublin | 30 April 1917 |
| RCPI/5/4/6/1901 | Fellowship Nominations 1901 | 1901 |
| MS/122 | Dr Steevens' Hospital debt | 10 July 1919 - October 1919 |