His articles on Jewish Military Organization (ZZW), structure, foundations and activities of the organization, relations with organizations outside Warsaw ghetto, particularly with KB Security Force, combat deployment during battles, penetration of Henryk Iwanski unit into ghetto during uprising and withdrawal of fighters to Aryan side. His article about crimes of Hermann Hoefle. His article 'Catholic Clergy in Aid Campaign for Jews' - memories from the underground (Polish).
Critique of book, "The Masada of Warsaw'' by Haim Lazar.
Inquiry to Wiesenthal Institute about his activities for dissemination of truth about the uprising.
Attorney Karl Schwarz statement about presence of Bednarczyk in meeting to establish ZZW (Polish).
Certificates, letters, postcards (Polish).