Camp Amersfoort Semi-permanent exhibition in Amersfoort occupation (1940–1945) Encountering God in the Abyss, by Constant Dölle, John Vriend, page 133.
Pameran kamp Amersfoort semi permanen di Amersfoort ^ Encountering God in the Abyss, oleh Constant Dölle, John Vriend, halaman 133.