Die Zukunft des Unglaubens : Zeitgemäße Betrachtungen eines Nichtchristen - Szczensy, Gerhard. (OLS)http://semarc/name/21587; Heer, Friedrich <1901->. (OLS)http://semarc/name/21588 (List,, 1965)
Keywords: Cristianesimo e ateismo. (OLS)http://semarc/subject/13204; Heer, Friedrich - Carteggio con Gerhard Szczesny. (OLS)http://semarc/subject/9281; Szczesny, Gerhard - Carteggio con Friedrich Heer. (OLS)http://semarc/subject/9282