- NLW MS 21213E.
- Ffeil
- 1916.
Theory of Reality as Perfect: M.A. thesis by Dorothy E. Roberts. English. Between boards. Bequeathed per Mrs L. Jackson, Bangor, May 1974.
Theory of Reality as Perfect: M.A. thesis by Dorothy E. Roberts. English. Between boards. Bequeathed per Mrs L. Jackson, Bangor, May 1974.