[...] Now [...] let me come out with a few words on this extraordinary business of my opera. [...] To my great surprise I learned that as good as nothing had been done in my affair since the general management had not been supplied with a copy of the libretto. I immediately got a new libretto copied out and have sent it direct to Herr v. Lüttichau by stage-coach. I was glad to make this an opportunity of introducing the modifications of the Catholic party at once into the text of the libretto and hope therewith to have removed a great cause of stumbling. A few days ago I got a letter, too, from Herr Reissiger, whose kindly and most cordial advances have really cheered and refreshed me. He has studied the score of my opera and, so far as I can see, is not displeased with it. [...]
Source: Letters of Richard Wagner, Vol. 1, selected and ed. Wilhelm Altmann, trans. M. M. Bozman (J. M. Dent & Sons, 1927), No. 57