Bengt-Ove Andreassen og Torjer A. Olsen, Religion, etikk og filosofi i barnehagen (Universitetsforlaget, 2014) Martin Rothgangel, Thomas Schlag, Friedrich Schweitzer in cooperation with Gottfried Adam and Rainer Lachmann,(eds.) 2014. Basics of Religious Education. Göttingen: Vandenhoeck & Ruprecht. 416 sider
