This Christmas greeting, sent by a member of the Royal Canadian Dragoons serving in Italy, was sent by V-Mail, a system of microfilming letters so they took up less shipping space.
Number 4 ITS of the British Commonwealth Training Pan was located at the University of Alberta in Edmonton.
This medley of national songs was introduced at Toronto's Canadian National Exhibition in 1915.
Written by one of Canada's most successful composers of popular music, this sing was first sung by Little Mildred Manley, "Phenomenal Child Vocalist" - and the composer's daughter.
Adorned with an image of a smiling soldier from the 21st Battalion, this song reflected on the homesickness of the soldier serving overseas.
This song, with lyrics by the noted poet Jean Blewett, was dedicated to the 9th Mississauga Horse, a Toronto-area militia unit.
Toronto shoemaker Henry Hancock enlisted with the 83rd Battalion in 1915, was wounded in the Somme offensive in 1916 while serving with the 2nd Battalion, and turned to musical composition after the war.
This song was intended to be sold by returned soldiers, both as a source of income and to encourage other young men to follow in their footsetps.
Dedicated to the Imperial Order Daughters of the Empire, the piece was privately published before Canadian troops left for the battlefields of Europe.
Although it was published early in the Second World War, this song would not have been out of place during the First World War.
MacNutt and Kelly were among the more successful song-writing duos of the First World War - this was an attempt to follow up on their hugely popular "We'll Never Let the Old Flag Fall."
This stirring song used the image of children weeping to bolster support for the war effort.
Not long after writing this song, Toronto bank clerk Gordon Dagger enlisted in the 257th Battalion, Canadian Expeditionary Force.
Inspired by the British song "It's a Long Way to Tipperary," this song had little Canadian content - except for the maple leaf on the cover.
This piece of music was composed and dedicated to Lieutenant G.E. Graven of the 22nd Battalion, Canadian Expeditionary Force.
The 201st Battalion (Toronto Light Infantry) had its own tribute song, but music was not enough to encourage recruitment. The unit was disbanded in September 1916 when it failed to reach its authorized strength.
Saskatoon's war memorial might seem like a strange image to use on a Christmas card, but it represents the importance of the memory of the First World War to Canada in the 1930s.
All letters written by soldiers were normally censored by their own officers, but they could request green Privilege (or Honour) Envelopes. These were not censored by their officers but by postal authorities in the rear areas, and allowed men to write of sensitive personal matters that they might not want their officers to know about.
A New Brunswick soldier sent this folder home to his family in 1916, to show them what his temporary home, a tented camp in southern England, looked like.