- IE OH OHS2/DEW/1/4
- Sous-série organique
- 1958-1963
Fait partie de Records of the Williams Group
D. E. Williams Ltd. Farming Journal (1958)
D. E. Williams Ltd. Farming Journal (1960)
D. E. Williams Ltd. Farming Journal (1962)
Athlone and Midland Agricultural Show Society Schedule and prize list (1963)