Category Posts: Canadians in the First World War
- Canadian Expeditionary Force, Canadian Army Chaplain Corps
- Canadian Expeditionary Force (19) Garrison Regiment and Reinforcements
- Canadian Expeditionary Force (1A) Training and Reserve Battalions, Nos. 6-160
- Canadian Expeditionary Force (1B) Training and Reserve Battalions, Nos. 161-258
- Canadian Expeditionary Force, 1st Canadian Division
- Canadian Expeditionary Force (2) Corps Troops
- Canadian encounters with Airships and Zeppelins in the First World War
- Canadian Expeditionary Force (20) Canadian Ordnance Corps
- Canadian Expeditionary Force, Canadian Army Postal Corps
- Canadian Expeditionary Force (21) Instructional Troops
- Canadian Expeditionary Force, Canadian Army Service Corps
- Canadian Expeditionary Force, Canadian Army Veterinary Corps, Remount Depots, and Auxiliary Horse Company
- Canadian Expeditionary Force (13) Canadian Corps of Signals