From: Fredericksdraai
This Prisoner of War record for Frederick Martinus Gerhardus Mienie 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=12437&r=Frederick Martinus Gerhardus&s=Mienie&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.