- NLW MS 14141C.
- Ffeil
- 1969 /
Thesis: 'Welsh Agriculture 1815-1914' (University of London Ph.D.) by David Wesley Howell (typescript).
Howell, David W., 1940-, dissertant.
Thesis: 'Welsh Agriculture 1815-1914' (University of London Ph.D.) by David Wesley Howell (typescript).
Howell, David W., 1940-, dissertant.