θɹˈiː plˈænz ʌvðə fəsˈɑːd ɑːɹ stˈɪl ɪn ɛɡzˈɪstəns; ɐkˈoːɹdɪŋ tə dʒˈɜːmən ˈɑːɹt hɪstˈoːɹiən dʒˈɔːɹɡ dˌiːhˈiːoʊ, ðə bˈɛst dɪzˈaɪn bᵻlˈɔŋz tʊ ˈɜːwɪn, tə hˈuːm ɪɾ ɪz kˈʌstəmˌɛɹi tʊ ɐskɹˈaɪb ðɪ ɛntˈaɪɚ kənstɹˈʌkʃən.
Three plans of the façade are still in existence; according to German art historian Georg Dehio, the best design belongs to Erwin, to whom it is customary to ascribe the entire construction.