Torrance, John (1976). "The Emergence of Sociology in Austria: 1885-1935". European Journal of Sociology / Archives Européennes de Sociologie / Europäisches Archiv für Soziologie. 17 (2). ss. 185–219. doi:10.1017/S0003975600007359. ISSN0003-9756. JSTOR23998748.
jstor.org
Torrance, John (1976). "The Emergence of Sociology in Austria: 1885-1935". European Journal of Sociology / Archives Européennes de Sociologie / Europäisches Archiv für Soziologie. 17 (2). ss. 185–219. doi:10.1017/S0003975600007359. ISSN0003-9756. JSTOR23998748.
worldcat.org
Torrance, John (1976). "The Emergence of Sociology in Austria: 1885-1935". European Journal of Sociology / Archives Européennes de Sociologie / Europäisches Archiv für Soziologie. 17 (2). ss. 185–219. doi:10.1017/S0003975600007359. ISSN0003-9756. JSTOR23998748.