Letters: Phillips, Edgar-Prims,
- G4524-64.
- Cyfres
- 1905-40.
Dangos 304 canlyniad
Disgrifiad archifolLetters: Prichard, Caradog-Rees, Arianwen,
- G4565-604.
- Cyfres
- 1913-39 a dd.
Letters: Rees, Caleb-Rees, Daniel,
- G4605-707.
- Cyfres
- 1902-31.
Letters: Rees, E. D.-Rees, Evan ('Dyfed'),
- G4708-50.
- Cyfres
- 1908-35.
Letters: Rees, Ferdinand-Rees, T. Ifor,
- G4751-93.
- Cyfres
- 1910-40.
Letters: Rees, T. J.-Rhys, John (Hymyr),
- G4794-842.
- Cyfres
- 1905-41.
Letters: Rhys-Jones, T.-Rieu, E. V,
- G4843-85.
- Cyfres
- 1910-42.
Letters: Roberts, E. Stanton-Roberts, E,
- G4886-943.
- Cyfres
- 1909-40.
Letters: Roberts, E. Stanton-Roberts, Evan,
- G4944-87.
- Cyfres
- 1912-40.
Letters: Roberts, Evan E.-Roberts, J.H,
- G4988-5025.
- Cyfres
- 1898-1940 a dd.
Letters: Roberts, May F.-Roberts, R. Silyn,
- G5081-154.
- Cyfres
- 1902-38 a dd.
Letters: Roberts, Richard-Roderick, J. A,
- G5155-94.
- Cyfres
- 1902-39.
Letters: Roberts, Sir J. Herbert (Lord Clwyd)-Roberts, Mary Silyn,
- G5026-80.
- Cyfres
- 1899-1942.
Letters: Rose, H. J.-Rowlands, R. Oswald,
- G5195-236.
- Cyfres
- 1907-39.
Letters: Rowlands, R. S.-Simpson, Esther,
- G5237-75.
- Cyfres
- 1900-42.
Letters: Skillan, George-Stephens, G. Arbour,
- G5276-317.
- Cyfres
- 1913-41.
Letters: Staquel, Maria-Thomas, D. Vaughan,
- G5318-52.
- Cyfres
- 1897-1941.
Letters: Thomas, David-Thomas, J. Ll,
- G5353-95.
- Cyfres
- 1911-41.
Letters: Thomas, J.W.-Thomas, Rowland,
- G5396-439.
- Cyfres
- 1911-41.
Letters: Thomas, Richard-Thomas, W.P,
- G5440-82.
- Cyfres
- 1908-36.
Canlyniadau 181 i 200 o 304