- CollectionM13 - William Knibb Morris Collection
- SeriesWilliam Knibb Morris and Sarah R. Morris: correspondence with children
- Item14 - William Knibb Morris and son Robert James (Rob or Bob) Morris
- Item15 - Robert James Morris to mother Sarah Rebecca (Rothwell) Morris
- Item16 - Sarah Rebecca (Rothwell) Morris to son Robert James Morris
- Item17 - Ada Rosina Morris to mother Sarah Rebecca Morris