Photograph depicts Lieutenant Addison Alexander Mackenzie and a civilian, James Mounsie, in Woodbridge, Ontario in 1915.
Scene from the official opening on May 3, 1969 of the Woodbridge, Ontario post office. Reeve John McLean of the Village of Woodbridge is seen greeting and welcoming those in attendance. Seated from the left are Monsignor J. A. O'Mara, Stan Archibald, postmaster, Barnett J. Danson, M.P., Robert P. Henderson, Gordon Longhouse, Major A. A. Mackenzie, and Rev. A. B. Cathcart.
Photograph shows Norberta O'Rourke, Major Addison Alexander Mackenzie, Vaughan Pearson, and John Roberts at the KleinburgBinder Twine Festival's unveiling of a plaque in the pioneer cemetery honouring Rev. Pearson in 1968, Vaughan, Ontario.
Postcard of Captain Addision Alexander Mackenzie, Lieutenant Buston (who died of wounds), and Lieutenant Muirhead during WWI.
Postcard depicts the destruction wrought by the war on Albert (Somme) - La Place d'Armes - The Arm Place - in France. Located near the firing line. Major Mackenzie sent this postcard to his family in Woodbridge, Ontario to show them the devestation in Europe.
Postcard depicts Major Addison Alexander Mackenzie (front, centre) and the other officers of the 4th Canadian Mounted Rifles (C.M.R.) in France during WWI.
Postcard depicts Major Mackenzie in war camp during WWI.