The German Historical Institute in Washington DC maintains a website of historical documents and images. For the purposes of this class, the sections on Weimar and Nazi Germany are the most important. There will TWO VERSIONS of each eventually, but right now only the Nazi Germany section has a second edition. There is not complete overlap, so look at both.
First Editions: http://germanhistorydocs.ghi-dc.org/section.cfm?section_id=12 AND http://germanhistorydocs.ghi-dc.org/section.cfm?section_id=13
Updated Versions (Weimar coming in fall 2025):
https://germanhistorydocs.org/en/nazi-germany-1933-1945
Documentaries/Exhibits of Interest (links correct at time of writing; no responsibility taken for broken links)
Online exhibition of French-language resistance songs created and sung in Nazi prisons: Sur l'air de la liberté : Chansons de résistantes dans les prisons nazies (Exhibit sponsored by the Chaire de recherche du Canada en musique et politique and the Centre canadien d’études allemandes et européennes, Université de Montréal]