From: Vlakfontein
This Prisoner of War record for Lucas Cornklis Pruys was transcribed record from various documents held at the National Archives, South Africa, including arrest and shipping information from newspaper sources like De Zuid-Afrikaan.
https://www.gendatabase.com/boer-war-prisoner-record.php?q=13873&r=Lucas Cornklis&s=Pruys&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.