www.calvarychapel.org Calvary Chapel Costa Mesa, USA
www.enduringword.com David Guzik’s Commentary
www.citychapel.de City Chapel Stuttgart
www.bibelserver.com On-Line Bible, Deutsche Bibelgesellschaft
www.blueletterbible.org On-Line Bible Software
www.eeschweiz.ch Organisation für Evangelism in der Schweiz
www.carm.org Christian Apologetics & Research
www.gotquestions.org Bible Questions and Answers