In his 1923 theological thesis, German priest Winfried Hümpfner, who had compared Brentano's original notes to the published books, wrote that Brentano had fabricated much of the material he had attributed to Emmerich.
În 1923 în tezele sale teologice, preotul german Winfried Hümpfner care a comparat notele originale luate de Brentano cu cărțile publicate, susține că Brentano a fabricat o parte din materialul pe care l-a atribuit lui Emmerich.