To Henricus Brandsma – 3 June 1942 November 2020 By Bos (TBI) Cleves, 3 June 1942 Letter to Henricus Brandsma
To his brother in law and sister – 12 July 1942 November 2020 By Bos (TBI) Dachau, 12 July 1942 Letter to his brother in law and sister
To his brother in law etc – 6 May 1942 November 2020 By Bos (TBI) Den Haag, 6 May 1942 Letter to his brother in law and sister etc.
To Father Prior etc – 28 May 1942 November 2020 By Bos (TBI) Cleves, 28 May 1942 Letter to Father Prior etc.