1870-1872
– “The Luxembourg Folio”, Revue celtique, 1, pp. 346-375.
1871
– “Latin Words in Welsh”, The Academy, 2, p. 255.
1873
– “On Some of our British Inscriptions”, Archæologia Cambrensis, 4, p. 74.
1877
– Lectures on Welsh Philology, London, Trübner.
1882
– Celtic Britain, London, Society for Promoting Christian Knowledge.
1887
– Rhys, John and Gwenogvryn Evans (eds.), The Text of the Mabinogion, Oxford, J. G. Evans.
1888
– Lectures on the Origin and Growth of Religion as Illustrated by Celtic Heathendom, London, Williams and Norgate.
1890
– “The Early Ethnology of the British Isles”, The Scottish Review, 15, pp. 233-252.
– “Traces of a Non-Aryan Element in the Celtic Family”, The Scottish Review, 16, pp. 30-47.
– “The Mythographical Treatment of Celtic Ethnology”, The Scottish Review , 16, pp. 240-256.
– Rhys, John and Gwenogvryn Evans, eds. The Text of the Bruts, Oxford, J. G. Evans.
1891
– Studies on the Arthurian Legend, Oxford, Clarendon Press.
– “The Peoples of Ancient Scotland”, The Scottish Review, 17, pp. 60-82.
– “The Spread of Gaelic in Scotland”, The Scottish Review, 17, pp. 332-349.
– “Certain National Names of the Aborigines of the British Isles”, The Scottish Review, 18, pp. 120-143.
1892
– Rhys, John and T. W. E. Higgens, “’First-Foot’ in the British Isles”, Folklore, 3, pp. 253-264.
1895
– “Epigraphic Notes”, Archæologia Cambrensis, 12, pp. 180-190.
– The Cassiterides”, The Academy, 1222, pp. 272-273.
– “Ireland and the Basques”, The Academy, 1226, p. 366.
1896
– “Rhiannon and ‘Pendaran’ in the Mabinogion”, The Academy, 1267, pp. 115-116.
– “Early Goidelic Sentences”, The Academy, 1276, pp. 285.
1900
– “Address of the President of the Anthropological Section of the British Association”, Science, 12, pp. 502-516.
– Rhys, John and David Brynmor-Jones, The Welsh people: Chapters on their Origin, History, Laws, Language, Literature and Characteristics, London, Fisher Unwin.
1901
– Celtic Folklore: Welsh and Manx, 2 vols., Oxford, Clarendon Press, reissued by London, Wildwood House Limited, 1980.
1904
– “British Museum: A Guide to the Antiquities of the Bronze Age in the Department of British and Mediæval Antiquities”, Modern Philology, 2, pp. 225-229.
– Celtic Britain, 3rd ed. revised, London, Society for Promoting Christian Knowledge.