See Erwin T. Mohme, Die freireligiösen Anschauungen im Drama und Roman der neueren deutschen Literatur (1885-1914) (St Louis, 1927 ), and also Roy Pascal , From Naturalism to Expressionism ( London, 1973), 161-97.
2.
Roland Barthes , "L'effet du réel", Communications , 11 (1968), 84-89.
3.
See M.E. Stewart , "Max Kretzer: Some aspects of his realism", German Life and Letters, n.s. xxxii, no. 1 (October, 1978), 10-18.
