- Brinn David, Adelina Patti, 1988;,
- Klein Herman, The Reign of Patti, 1920 reprinted 1978;,
- Girouard M, The Victorian Country House, 1971, p 417;,
- Haslam R, Powys, Buildings of Wales Series, 1979;,
- OS, Second Edition, scale 1:2500, 1903;,
- Illustrations and photographs displayed in Craig-y-nos.,