Rank: Intelligence Agent
This Boer-War Soldier record for John Douglas Smith MACCALLUM was transcribed record from various documents held at the National Archives, South Africa. Data contained in this set is known as "The Soldiers of the Queen".
https://www.gendatabase.com/boer-war-soldiers-record.php?q=150942&r=John Douglas Smith&s=MACCALLUM&ref=
