Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Crosswood (Mont.) Manuscripts, 5 canlyniadau
- Institute of Welsh Affairs Records,, 4 canlyniadau
- Papurau Gwynfor Evans/Gwynfor Evans Papers,, 3 canlyniadau
- Lord Davies of Llandinam Papers,, 1 canlyniadau
- Eirene White papers, 1 canlyniadau
- J. H. Davies, Cwrt Mawr, papers, 1 canlyniadau
- Robin Reeves Papers, 1 canlyniadau
- Denis Balsom (Welsh Opinion Polls) Papers,, 1 canlyniadau
- Pob un
- Evans, H. Tobit (Henry Tobit), 1844-1908, 1 canlyniadau
- Norman, Henry., 1 canlyniadau
- Vaughan, Richard, 1904-1983, 1 canlyniadau
- Great Britain. Parliament. House of Commons. Welsh Grand Committee., 1 canlyniadau
- Rees, John, d. 1955, 1 canlyniadau
- Howell, David W., 1940-, dissertant., 1 canlyniadau
- Pob un
- Davies, Walter, 1761-1849 -- Diaries, 2 canlyniadau
- Lloyd George, David, 1863-1945., 1 canlyniadau
- Royal Commission on Land in Wales and Monmouthshire, 1 canlyniadau
- Williams, W. Llewelyn (William Llewelyn), 1867-1922, 1 canlyniadau
- Thomas, D. Lleufer (Daniel Lleufer), 1863-1940, 1 canlyniadau
- Royal Army Medical Corps., 1 canlyniadau
- Great Britain. Council for Wales and Monmouthshire, 1 canlyniadau
- Board of Agriculture (Great Britain), 1 canlyniadau
- Thomas, D. Lleufer (Daniel Lleufer), 1863-1940 -- Correspondence, 1 canlyniadau
- Welsh Agricultural Organisation Society -- Archives., 1 canlyniadau
- Pob un
- Agriculture -- Wales, 21 canlyniadau
- Rural development -- Wales, 3 canlyniadau
- Agriculture -- Wales -- Carmarthenshire, 3 canlyniadau
- Industries -- Wales, 3 canlyniadau
- Wales, North -- Description and travel, 2 canlyniadau
- Wales, South -- Description and travel, 2 canlyniadau
- Country life -- Wales, 2 canlyniadau
- Agriculture -- Great Britain, 2 canlyniadau
- Rural conditions -- Wales, 2 canlyniadau
- Welsh language, 1 canlyniadau
