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RENEL: C. Renel, _Religions de la Gaule._ Paris 1906.

RH[^Y]S, _AL_: Sir John Rh[^y]s, _The Arthurian Legend._ Oxford, 1891.

RH[^Y]S, _CB_{4}: Sir John Rh[^y]s, _Celtic Britain_{4}. London, 1908.

RH[^Y]S, _CFL_: Sir John Rh[^y]s, _Celtic Folk-Lore._ 2 vols. Oxford,
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RH[^Y]S, _HL_: Sir John Rh[^y]s, _Hibbert Lectures on Celtic
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SÉBILLOT: P. Sebillot, _La Folk-lore de la France._ 4 vols. Paris, 1904
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SKENE: W.F. Skene, _Four Ancient Books of Wales._ 2 vols. Edinburgh,
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STOKES, _TIG_: Whitley Stokes, _Three Irish Glossaries._ London, 1862.

STOKES, _Trip. Life_: Whitley Stokes, _The Tripartite Life of Patrick._
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STOKES, _US_: Whitley Stokes, _Urkeltischer Sprachschatz._ Göttingen,
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TAYLOR: I. Taylor, _Origin of the Aryans._ London, n.d.