Books, articles and videos of German Historians on Benno and Anna, the Holzers, Einstein and Spatz families:

   Steeb, Christian Merkur.de  Series on the Spatz family of Wolfratshausen,

   https://www.merkur.de/lokales/wolfratshausen/neue-serie-schicksal-juedischen-familie-spatz-3810456.html

   Muhldörfer, Friedbert   The Expulsion of the Jewish Family, the Holzers from Traunstein during Kristallnacht  70 Years Ago

   https://www.traunsteiner-tagblatt.de/das-traunsteiner-tagblatt/chiemgau-blaetter/chiemgau-blaetter-  2021_ausgabe,-die-vertreibung-der-juedischen-familie-holzer-_chid,752.html

   Dörner, Bernward  Benno Neuburger, National Socialism, the Holocaust and a Remembrance of Resistance

   https://www.sueddeutsche.de/muenchen/muenchen-benno-neuburger-nationalsozialismus-holocaust-widerstand-erinnerungszeichen-1.5656286?reduced=true

   Gruner, Wolf   Impudent Jews, Forgotten Individual Jewish Resistance to Nazi Germany

   https://dornsife.usc.edu/cagr/events/impudent-jews-forgotten-individual-jewish-resistance-nazi-germany

   https://www.youtube.com/watch?v=TnbR3wDKx04

   https://www.cornell.edu/video/wolf-gruner-jewish-defiance-protest-nazi-germany  43:50 Benno mentioned.

   Kohlershmidt, Antje and Neidlinger, Karl The Jewish Community of Laupheim and Its Annihilation

Page 214, Mina Einstein

   Bayer, Edo Vignettes The Legacy of Jewish Laupheim. Universitats Bibliotchek Heidelberg.