http://www.historylearningsite.co.uk/edelweiss_pirates.htm
White Rose Group
http://www.historylearningsite.co.uk/white_rose_movement.htm
Dietrich Bonhoffer
http://www.historylearningsite.co.uk/dietrich_bonhoffer.htm
Martin Niemoller
http://www.historylearningsite.co.uk/martin_niemoller.htm
Cardinal Galen
http://spartacus-educational.com/GERgalen.htm
July 1942 Bomb Plot
http://www.historylearningsite.co.uk/july_bomb_plot.htm
Kreisau Circle
http://www.historylearningsite.co.uk/kreisau_circle.htm
Rosenstrasse Protest