- NLW MS 18696C.
- File
Part of J. Seymour Rees Collection
Sweet Singers of Wales. A Story of Welsh Hymns and their Authors. With Original Translations by H. Elvet Lewis. London. The Religious Tract Society. Typescript copy. With an appendix containing a collection of some of the original Welsh hymns. Welsh, English. Formerly J. Seymour Rees MS 76.