- FondsParsons - Papers of The Hon. Sir Charles Algernon Parsons
- SeriesFolder 6 - Letters from Sir Charles Parsons to Sir Joseph Larmor
- Item1 - A. L. s., dated 31 October 1909, from Holeyn Hall
- Item2 - A. L. s., from Holeyn Hall
- Item3 - A. L. s., from 9 Hans Mansions, London
- Item4 - A. L. s., from 6 Windsor Terrace, Newcastle
- Item5 - A. L. s., from 1 Upper Brook Street, London
- Item6 - A. L. s., from 6 Windsor Terrace, Newcastle
- Item7 - A. L. s., from Ray Demesne, Kirkwhelpington