From: Grootfontein
This Prisoner of War record for Piet Frederick S Meyer 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=3929&r=Piet Frederick S&s=Meyer&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.