Recommended Readings

Article (in German) Erinnerungen an Arvid und Mildred Harnack by Egmont Zechlin

Article (in German) Wie Mildred und Arvid Harnack zu Gegenern des Nationalsozialismus wurden by Andreas Anderhub

Book All the Frequent Troubles of Our Days by Rebecca Donner

Book Resisting Hitler: Mildred Harnack and the Red Orchestra by Shareen Blair Brysac