Source: https://www.cambridge.org/core/services/aop-cambridge-core/content/view/A568C7309EB87888760999678DF05A2A/S0395264900500316a.pdf/nathalie_gorochov_naissance_de_luniversite_les_ecoles_de_paris_dinnocent_iii_a_thomas_daquin_v_1200v_1245_paris_honore_champion_2012_651_p.pdf