O'Brien, A. P., & Gaelic League of London. (1913). Newspaper cuttings from 'An t-Éireannach' of published letters by Art Ó Briain on the organisation of the Gaelic League in Britain and his personal management of an Irish music festival in London, with a draft lecture and a Gaelic League of London pamphlet.

O'Brien, Art Patrick, and Gaelic League of London. Newspaper Cuttings from 'An T-Éireannach' of Published Letters by Art Ó Briain on the Organisation of the Gaelic League in Britain and His Personal Management of an Irish Music Festival in London, with a Draft Lecture and a Gaelic League of London Pamphlet. 1913.