ˈʌðɚ wˈɜːks mˈeɪ biː hˈɪz, haʊˈɛvɚ, ɐn ɐpˈæɹənt ʌnwˈɪlɪŋnəs tə klˈeɪm ˈɔːθɚʃˌɪp ˌɔn hɪz pˈɑːɹt hɐz mˌeɪd ɔːθˌɛntɪkˈeɪʃən dˈɪfɪkəlt.
Other works may be his, however, an apparent unwillingness to claim authorship on his part has made authentication difficult.