| Reference Number | WJTS/4/2 |
| Title | Diagram C - Comparative illegitimate birth rates, 1866-1915 |
| Date | c.1920 |
| Creator Name | Mason, Thomas Holmes, 1877-1958 |
| Thompson, Sir William John, 1861-1929 |
| Description | Glass lantern slide showing the comparative rates of illegitimate births in Ireland, England & Wales, and Scotland between 1866 and 1915. |
| Extent | 1 slide |
| Term | Population Characteristics |
| Birth Rate -- trends |
| Illegitimacy -- statistics & numerical data |