ˈɜːθəl səpɹˈɛst ðə kɑːɹθˈuːʒən mˈɑːnɐstɚɹi ænd tˈuː nˈʌnɚɹiz æt mˈeɪnts ænd jˈuːzd ðɛɹ ɹˈɛvənˌuːz tə mˈiːt ðɪ ɛkspˈɛnsᵻz ʌvðə jˌuːnɪvˈɜːsᵻɾi, ɪnwˌɪtʃ hiː ɐpˈɔɪntᵻd nˈuːmɚɹəs pɹˈɑːɾɪstənts ænd fɹˈiːθˈɪŋkɚz æz pɹəfˈɛsɚz.
Erthal suppressed the Carthusian monastery and two nunneries at Mainz and used their revenues to meet the expenses of the university, in which he appointed numerous Protestants and free-thinkers as professors.