From: Steenkampskraal
This Prisoner of War record for Barend Leonardus Van Der Linde 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=11515&r=Barend Leonardus&s=Van Der Linde&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.