From: Vaalkop
This Prisoner of War record for Albertus Petrus Johannes Van Zyl 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=2909&r=Albertus Petrus Johannes&s=Van Zyl&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.