From: Kleinzonderhout
This Prisoner of War record for Mattheum Johan Hendrik Boshoff 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=19362&r=Mattheum Johan Hendrik&s=Boshoff&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.