Wilmotte, 1927. Page 102, available online via Gallica. Wilmotte, however, labels 10 lines on page 72 as a-j, so there are actually 3320 lines in the manuscript. The Cambridge manuscript has 3366 lines, according to Förster
See the first line of the edition published by M. Wilmotte in 1927, available online via Gallica
(in French) F. J. Tanquerey, Chrétien de Troyes est-il l'auteur de Guillaume d'Angleterre ? in Romania, 1931, p. 75-116. The section quoted is from page 75, available online via Gallica
(in French) M. Wilmotte, Chrétien de Troyes et le conte de Guillaume d'Angleterre, published in Romania, 1920. Available online via Gallica
cnrtl.fr
Circa 1165 on the Trésor de langue française informatisé. For example, see the etymology of paiement