Source edit
- https://web.archive.org/web/20171023131708/https://www.gbase.ch/pc/specials/5763/Geheimakte-2---Puritas-Cordis-655__p1.html
- https://archive.org/details/marcaplayer005/page/n123
- https://web.archive.org/web/20080911154633/http://www.pcgames.de/aid,658029/Test/Review/Wertung/Test_Geheimakte_2_-_So_gut_wie_der_Vorgaenger/#