- NLW MS 9485E.
- Ffeil
- 1909, 1918-1923.
Rhan oBreese Manuscripts,
A draft letter on 'Tariff Reform and the Welsh Slate Trade' sent to the Manchester Guardian by Charles E. Breese, 1909; and correspondence, 1918-1923, by Horatio Bottomley, H. B. Randolph, Board of Agriculture and Fisheries, J. Glyn Davies (general secretary of the North Wales Temperance Association), D. Lloyd George and A. Bonar Law (recognition of Charles E. Breese as the Coalition candidate for Caernarvonshire, 1918), Willoughby Gardner, John E. Greaves, W. R. Hughes, Edward Jones, Llanllyfni, K. Jones, Portmadoc, the Marconi International Marine Communication Co. Ltd., J. Pritchard, Llanberis, Sidney Robinson, and Sir Robert J. Thomas.