O.77 - Research papers, articles and student reports The Collection contains documentary material written during the period after World War II, based on secondary sources for reconstruction of the events being described, and not on the testimonies of Holocaust survivors or eyewitnesses. This material could be papers by pupils or students, research papers, newspaper articles, texts or excerpts from different types of texts pertaining to the Holocaust in various languages, except for those cases where it is expressly stated that the information being presented comes from a Holocaust survivor or eyewitness (in which case, this material is included in Record Group O. 33). Journals documenting Roots trips, general philosophical thoughts and literary stories related to the Holocaust which were not written by the survivors themselves, but by their descendants, which were not initially intended to memorialize those who perished, communities that were annihilated or specific Holocaust events are also included in Record Group O.77 (Material initially intended to memorialize those who perished, communities that were annihilated or specific Holocaust events are included in Record Group O.88).