Stokes, Whitley [ed. and tr.], On the calendar of Oengus, Transactions of the Royal Irish Academy, Irish Manuscript Series, 1.1, Dublin: Royal Irish Academy, 1880.
Stokes' first edition of the Félire Óengusso (the second edition was published in 1905). A new version of the preface was published as in 1883.
A revised version of the preface to Stokes 1880 (linked below).
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