Gwaith John Owen, Machynlleth,
Part of D. C. Lloyd-Owen Manuscripts,
A transcript made by Joseph Pugh Owen, London, in 1899 of John Owen, Golgyiadau ar Achosion ag Effeithiau'r Cyfnewidiad yn Ffrainc... (Machynlleth, 1797).
Owen, Joseph Pugh, of London.
Gweithiau John Owen, Machynlleth,
Part of D. C. Lloyd-Owen Manuscripts,
A transcript of two works by John Owen, Machynlleth, great-grandfather of D. C. Lloyd-Owen, namely Myfyrdod ar Farwolaeth Mr. Owen Thomas Siopwr Aelod o Eclwys y Bedyddwyr yn Machynlleth... (Aberystwyth, 1817), and Cwynfan y Cystuddiedig mewn Galarnad am Elizabeth Owen o Fachynlleth... (Aberystwyth, 1819).
Montgomeryshire pedigrees, &c.,
Part of D. C. Lloyd-Owen Manuscripts,
Pedigrees of Welsh families mainly connected with Montgomeryshire, including pedigrees of D. C. Lloyd-Owen and the Pughe family of Mathafarn; a letter, 1833, from John Owen, Cuckfield, Sussex to his brother 'Mr D. Owen, Student, Newtown', with a note added by John Owen's wife; copies of 'Supplemental Notes to the history of Darowen' and 'Cyfeiliog Pedigrees', both by D. C. Lloyd-Owen, reprinted from Collections... relating to Montgomeryshire; a letter, 1917, from T. Gwynn Jones to D. C. Lloyd-Owen relating to John Owen, Machynlleth; etc.