To Henricus Brandsma – 3 June 1942 November 2020 By Bos (TBI) Cleves, 3 June 1942 Letter to Henricus Brandsma
To Father Prior etc – 28 May 1942 November 2020 By Bos (TBI) Cleves, 28 May 1942 Letter to Father Prior etc.
To the German Sicherheitsdienst – 12 June 1942 November 2020 By Bos (TBI) Cleves, 12 June 1942 Letter to the German Sicherheitsdienst