Tolong jelaskan mengenai Sumber dari Karl Silberbauer

The Critical Edition of the Diary of Anne Frank, Anne Frank, edited by David Barnouw, 2003

Anne Frank House: a museum with a story, Anne Frank Foundation 1999

Roses from the Earth, Carol Ann Lee

The Last Secret of the Secret Annex: The Untold Story of Anne Frank, Her Silent Protector, and a Family Betrayal, Joop van Wijk-Voskuijl and Jeroen De Bruyn, Simon & Schuster, 2023.