- Charlotte Guest MSS XXXII-XXXIII
- Cyfres
- 1818-1853
Manuscripts, 1818-1853, relating to the iron and coal industries at Dowlais, Glamorgan, comprising a notebook of Sir John Guest, 1818-1841, and transcripts of reports, 1851-1853.
Manuscripts, 1818-1853, relating to the iron and coal industries at Dowlais, Glamorgan, comprising a notebook of Sir John Guest, 1818-1841, and transcripts of reports, 1851-1853.