Analysis of information sources in references of the Wikipedia article "Edward Johnson (tenor)" in English language version.
Herbert Witherspoon, the new general manager of the Metropolitan Opera, died suddenly yesterday afternoon in the executive offices at the opera house that he had occupied for only two weeks, since the departure of Giulio Gatti-Casazza. ...
Edward Johnson will vacate the office of the general manager of the Metropolitan Opera tomorrow after occupying it for fifteen years. Though his contract expired on May 31, he remained at his post to complete his final report ...