Wartime offered considerable scope for tasteless humour - as this card, brought home from Britain by a Canadian soldier after the Second World War, affirms.
To simplify the process of subscribing to the 4th Victory Loan, the federal government provided this template letter, which could be filled out and submitted to any bank.
Few Canadian soldiers had been to Brussels before the city was liberated in the fall of 1945; this card showed them how to find all of the facilities available to them when they visited the city while on leave.
The First World War was over, but this 1919 window decal offered a reminder that there were still bills to be paid - and a Victory Loan to support.
Typical of fund-raising concerts held during the First World War, this one promised "patriotic songs and instrumental music" by local performers.
The Franco-Belgian Committee of the Canadian Patriotic Fund advertised its work in Montreal with images of French soldiers from decades past.
Boredom was one of the greatest challenges facing Canadian prisoners of war in Germany during the Second World War, but charitable organization did what they could to send games and puzzles to the camps to help pass the time.
The Knights of Columbus operated a hospitality bureau in Paris for Canadians on leave. Staffed by English-speaking volunteers, "Canada Corner" could arrange sightseeing trips, golf games, theatre nights - one soldier even got to have dinner with a French countess.
Using a fictional soldier from Yourtown, Canada, this booklet offered a summary of the breadth of YMCA activities during the Second World War.
This postcard, sold to raise funds for the Canadian Red Cross Society, illustrates the work of the Red Cross Corps on behalf of prisoners of war.
Although an armistice ended the First World War in November 1918, war spending continued - for the demobilization of soldiers, for food to send to the devastated areas of Europe, and for veterans' programs. In 1919, Canadians were again asked to support the Victory Loan.
Noting that Canada's cities had given generously to war charities, the IODE asked rural groups to donate quantities of maple sugar to be sent overseas, to give soldiers a Canadian treat that could not be found in Europe.
Because the German Luftwaffe had used incendiary bombs with such devastating effect on Warsaw, Rotterdam, and London, Canadians were advised to be prepared for such attacks on their homes and businesses.
During the Second World War, even children were asked to support the war effort. A child could buy War Savings Stamps for 25 cents each; after saving $4 worth of stamps and sending this form to the federal government, the child would receive a War Savings Certificate worth $5.
Knitting was an enormously popular activity for volunteers, with books such as this one providing patterns for everything from steel helmet caps to amputation covers.
In this appeal for support, the Manitoba Red Cross reminded veterans that, as ex-soldiers, they "have knowledge of what the Red Cross Emblem means in the fullest sense of the word." For that reason, they should support the organization's continuing work for injured and disabled soldiers.
In response to the German bombing of British cities that began in 1940, teachers in British Columbia established a fund to aid children and teachers whose homes and schools had been destroyed.
While it admitted that the possibility of an enemy air attack on Canadian soil was very remote, the federal government nevertheless advised Canadians to be prepared, by ensuring that their homes offered the maximum protection against bombs.
As the enemy threat against Canada faded, civil defence workers turned their energies to other matters, including fighting forest fires and promoting mine safety.
The Aircraft Detection Corps was made up of volunteers, each armed with binoculars and a handbook of aircraft silhouettes to aid in identification. Upon spotting an enemy aircraft, they were specifically requested to telephone the details to the authorities, rather than sending them through the mail.