Proceedings of the Harvard Celtic Colloquium has in its purview all aspects of culture, language, and history of the Celtic peoples, from ancient to modern times.

This volume of PHCC contains articles on medieval Irish, Welsh, and Breton literature; post-1800 to modern poetry in Irish, Welsh, and Scottish Gaelic; the Irish Revival Movement; and modern Irish and Welsh linguistics. The volume also features the 2010 J. V. Kelleher Lecture by Dr. M. Katharine Simms on the social expression of the literary model of the barefoot king in late medieval Ireland.