David George Otness, H. S. Chamberlain and the Bayreuth "Kulturkreis": a study in ideology, su pdxscholar.library.pdx.edu, Portland State University, 1º gennaio 1976, pp. 173, 207. URL consultato il 19 aprile 2015.
«Chamberlain was almost entirely paralyzed from the end of the war until his death in 1927. He dictated letters in a hoarse mutter only his loyal wife could interpret.»