Analysis of information sources in references of the Wikipedia article "David Bispham" in English language version.
David Bispham, American baritone, long one of the foremost figures in the American opera and concert field, died suddenly yesterday at his home, 145 West Fifty-fifth Street, in his sixty-fifth year, from a complication of diseases. He first was stricken on Aug. 8 ...
Notice of the contest of the will of David Bispham, singer, by his widow, Mrs. Caroline Russell Bispham ... and his daughter Leonie Anne Francesca Carnegie Bispham ...