The podcast "Holy Fire: Voices of the Warsaw Ghetto" explores the discovery of the Oneg Shabbos archives in the Warsaw Ghetto, which contained documents meticulously preserved by ordinary individuals during the Holocaust.

The book, "Hasidim, Suffering and Renewal: The Prewar and Holocaust Legacy of Rabbi Kalonymus Kalman Shapira," explores the writings and legacy of Rabbi Kalonymus Kalman Shapira, particularly his sermons delivered during the Warsaw Ghetto.

Dr. Henry Abramson's "Torah from the Years of Wrath" delves into the historical context surrounding the Aish Kodesh, a collection of Torah homilies by Rabbi Kalonymus Kalmish Shapira of Piaseczno, composed during the Holocaust in the Warsaw Ghetto.

The text discusses the discovery and importance of the Aish Kodesh, a collection of sermons by Rabbi Kalonymus Kalmish Shapiro during the Holocaust.