From: Reitz
This Prisoner of War record for Sidney Angus Cameron Mcintyre Hepburn 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=807&r=Sidney Angus Cameron Mcintyre&s=Hepburn&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.