Bernard Shaw's Letters to Siegfried Trebitsch By George Bernard Shaw, Siegfried Trebitsch page 335 | In February, 'Too True' opened in Manheim with Alexander Moissi (not a Jew) in the leading role and was disrupted by Nazi shouts of "Jew Moissi" "Jew Shaw" until police intervened.
Jews and the Making of Modern German Theatre edited by Jeanette R. Malkin, Freddie Rokem page 76 | "The appeal and success of some non-Jewish foreign actors among German audiences, however, was due at least in part to their foreignness. Such was the case with star actor Alexander Moissi, whose German was tinged with an "Italian singsong, which fascinated many."