GRABOWSKI, Jan. Ad van Liempt, Hitler’s Bounty Hunters. The Betrayal of the Jews. Zagłada Żydów. Studia i Materiały, [S. l.], n. 4, p. 574–575, 2008. DOI: 10.32927/ZZSiM.293. Disponível em: https://zagladazydow.org/index.php/zz/article/view/293. Acesso em: 25 kwi. 2025.