Carl von Ossietzky
https://www.nobelprize.org/prizes/peace/1935/ossietzky/biographical/
https://www.britannica.com/biography/Carl-von-Ossietzky
https://www.elconfidencial.com/alma-corazon-vida/2022-09-27/carl-von-ossietzky-periodista-enfrento-nazis_3495442/
https://www.zendalibros.com/carl-von-ossietzky-el-pacifista-que-desafio-a-hitler/
https://es.wikipedia.org/wiki/Quema_de_libros_en_la_Alemania_nazi
https://es.wikipedia.org/wiki/Carl_von_Ossietzky
https://en.wikipedia.org/wiki/Carl_von_Ossietzky
https://de.wikipedia.org/wiki/Carl_von_Ossietzky
