1. Aderet, Ofer. “Secretly Photographing the Holocaust: A Rare Exhibition of Photos Taken by Jews in the Ghetto.” Haaretz, January 27, 2018. https://www.haaretz.com/jewish/holocaust-remembrance-day/MAGAZINE-secretly-photographing-the-holocaust-a-rare-exhibition-1.5762919.
2. Anne Frank House. “Secret Annex.” Accessed August 2023. https://annefrankhousevr.com/.
3. Auschwitz-Birkenau Memorial Place and Museum. “Auschwitz-Birkenau Virtual Tour.” Accessed August 2023. https://panorama.auschwitz.org/tour1,en.html.