Sources:
Grant, Charles, and Michael Youens. The Black Watch. Osprey Marketing, Reed Books, 2002.
Ogilvie, D. Douglas. Fighting on Three Fronts: A Black Watch Battalion in the Great War. Pen Et Sword Military, 2014.
Royle, Trevor. The Black Watch: A Concise History. Mainstream, 2006.
The Black Watch: The Black Watch Photographic Archive. Tempus, 2004.
DELVILLE WOOD. http://www.delvillewood.com/8th Black Watch.htm
"Black Watch History." Theblackwatch.co.uk. May 29, 2020. https://theblackwatch.co.uk/history/.
"High Wood." Aberfeldy Museum. http://aberfeldymuseum.org/exhibitions/black-watch/service-in-france-1916/high-wood.
"Remembering the Battle at High Wood, 30th July 1916." Theblackwatch.co.uk. July 25, 2019. https://theblackwatch.co.uk/blog/black-watch-history/remembering-the-battle-at-high-wood-30th-july-1916/.
Strachan, Graeme. "The Black Watch: New Book on the Unsung Heroes Who Went beyond the Call of Duty." The Courier. January 12, 2021. https://www.thecourier.co.uk/fp/past-times/1878814/the-black-watch-new-book-on-the-unsung-heroes-who-went-beyond-the-call-of-duty/.
"Unit History: Black Watch (Royal Highlanders)." Read About The Black Watch (Royal Highlanders) Regiment. https://www.forces-war-records.co.uk/units/236/black-watch-royal-highlanders.