11
Inscriptiones Britanniae christianae, Berlín, 1876.
12
Lectures on Welsh Philology (2.ª edición). Londres, 1879.
13
Lapidarium Walliae. Oxford, 1876-1879.
14
Ogam inscribed Monuments of the Gaedhil in the British Islands, with a Dissertation on the Ogam Character. Londres, 1879.
15
Ogham inscriptions in Ireland, Wales and Scotland. Edimburgo, 1887.
16
The inscriptions and language of the Northern Picts by John Rhys M. A. profesor of Celtic in the University of Oxford. From the Proceedings of the Society of Antiquaries of Scotland. Páginas 263-351, en 4.º
17
«Silurum colorati vultus, et torti plerumque crines, et posita contra Hispania Hiberos veteres trajecisse easque sedes occupasse fidem faciunt. Proximi Gallis et similes sunt,... eorum sacra deprehendas superstitionum persuasione; sermo haud multum diversus; in deposcendis periculis eadem audacia; et ubi advenere, in detrectandis eadem formido,» Agric. II.
18
Zóbel, Estudio histórico de la moneda antigua española, tomo II, páginas 58-95.
19
Tácito, Annal., XII, 31.
20
Celtica, tomo II, pág. 115. Stuttgart, 1840.