Archief KZGW, inv.nr. 172 scan 15; Archief KZGW, inv.nr. 71.1 scan 31; Archief KZGW, inv.nr. 71.1 scan 260
Archief 1941, XXArchief 1994, 205 e.v.Archief 2019, 495 e.v.
Verzameling J.A. Hubregtse