Uziembło, Aniela. «Józef Zysman», Gazeta Stołeczna, no. 141, June 20, 2005.
Valley, Eli. The Great Jewish Cities of Central and Eastern Europe: A Travel Guide. New York: Jason Aronson Publishers, 1999.
Wanat, Leon. Za murami Pawiaka. Warsaw: Książka i Wiedza, 1985.
Warsaw Ghetto: Oyneg Shabes – Ringelblum Archives: Catalogy and Guide, eds. Robert Moses Shapiro and Tadeusz Epsztein. Bloomington: Indiana University Press, 2009.
Webb, Chris. «Otwock & the Zofiowka Sanatorium: A Refuge from Hell», Holocaust Education & Archive Research Team, www.holocaustresearchproject.org/ghettos/otwock.html.
Webb, Chris. The Treblinka Death Camp: History, Biographies, Remembrance. Stuttgart: Ibidem Press, 2014.
Weiner, Miriam. «Otwock», Routes to Roots Foundation, www.rtrfoundation.org/webart/poltownentry.pdf.
Whitlock, Monica. «Warsaw Ghetto: The Story of Its Secret Archive», January 27, 2013, British Broadcasting Corporation, www.bbc.com/news/magazine-21178079.
Wieler, Joachim. «The Long Path to Irena Sendler: Mother of the Holocaust Children», (interview with Irena Sendler), Social Work and Society 4, no. 1 (2006), http://www.socwork.net/sws/article/view/185/591.
Witkowska, Agnieszka. «Ostatnia droga mieszkańców i pracowników warszawskiego Domu Sierot», Zagłada Żydów, Studia i Materiały 6 (2010), http://korczakowska.pl/wp-content/uploads/2011/12/Agnieszka-Witkowska.-Ostatnia-droga-mies zkancow-i-pracownikow-warszawskiego-Domu-Sierot.pdf.
Wood, E. Thomas and Stanisław M. Jankowski. Karski: How One Man Tried to Stop the Holocaust. New York: John Wiley & Sons, 1994.
Wygodzki, Stanisław. «Epitaph for Krysia Liebman», Jewish Quarterly 16, no. 1 (1968): 33.
Zajdman, Renata. «A Tribute to Irena Sendler», bonus material from Hallmark’s made-for-television film The Courageous Heart of Irena Sendler, www.hallmark.com/online/hall-of-fame/images/TCHISBonusMaterial.pdf.
Zygmund, Antoni. «Aleksander Rajchman», Wiadomości Matematyczne 27 (1987), 219–31, http://www.impan.pl/Great/Rajchman.
Акерман Д. Жена смотрителя зоопарка. СПб: Азбука-СПб, 2017.
Шпильман В. Пианист. Варшавские дневники 1939–1945. М.: Гешарим / Мосты культуры, 2003.