In his program notes for the Chicago Symphony's current concert performances of Verdi's "Falstaff" conducted by Riccardo Muti, Phillip Huscher quotes from Cather's review of the Chicago premiere of the opera and praises her early journalism. See p. 6 of Huscher's notes:
http://cso.org/media/program_notes/ProgramNotes_Verdi_Falstaff.pdf
John