| Reference Number | WJTS/6/23 |
| Title | Diagram No. 1 - Principle causes of death, 1906 |
| Date | [1920s] |
| Creator Name | Mason, Thomas Holmes, 1877-1958 |
| Thompson, Sir William John, 1861-1929 |
| Description | Glass lantern slide showing mortality from twenty-two of the principle causes of death in Ireland in the year 1906. |
| Extent | 1 slide |
| Term | Mortality -- trends |
| Population Characteristics |