To him are attributed, by Wilmart, many of the 141 Sermons printed by Migne (PL 171, 343-951) under the name of Hildebert of Le Mans (Cenomanensis), namely: 1, 10, 11, 15, 16, 18, 22, 26, 27, 28, 30, 34, 37, 38, 40, 41, 44, 46-49, 51, 52, 56, 65, 71, 81-84, 91, 92, 94, 95-96, 98 (?), 104, 106-110, 113, 116, 118, 120, 123, 124, 126, 128. Sermons 37-38 are of particular interest for the Eucharist.
Bibl.: G. Morin, Un écrivain belge ignoré du XIIe siècle. Geoffroy de Bath ou Geoffroy Babion, in *Revue bénédictine*, 10 (1893), pp. 28-36; L. De Ghellinck, *Eucharistie au XIIe siècle*, in *Dictionnaire de Théologie Catholique*, V, 11, col. 1248; G. Paré, A. Brunet, P. Tremblay, *La renaissance du XIIe siècle: Les écoles et l'enseignement*, Paris-Ottawa 1933, p. 25; A. Wilmart, *Les sermons d'Hildebert*, in *Revue bénédictine*, 47 (1935), p. 12 seq.; Hutter, II, col. 82; W. Lampen, *De sermonibus Gaufredi Babionis scholastici Andegavensis*, in *Antoniarum*, 19 (1944), pp. 145-68; J. de Ghellinck, *L'essor de la littérature latine au XIIe siècle*, I, Brussels-Paris 1946, p. 226.