After attending the lectures of Karl Brugmann at Freiburg and Leipzig, Giles brought the ideas of the Neo-grammarians to England in his only publication, A Short Manual of Comparative Philology for Classical Students, published in 1895 and subsequently translated into German.
Tras escoitar as clases de Karl Brugmann en Friburgo e Leipzig, Giles levou as ideas dos neogramáticos a Inglaterra na súa única publicación, A Short Manual of Comparative Philology for Classical Students, publicada en 1895 e posteriormente traducida ao alemán.