From: Potchefstroom
This Prisoner of War record for Leonard Samuel George Leslie 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=20856&r=Leonard Samuel George&s=Leslie&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.