- "O Canada", original version by Robert Stanley Weir (1908).
- "O Canada" in The Canadian Soldiers' Song Book (1916).
- "O Canada" in the National Anthem Act (1985), official version adopted as national anthem in 1985.
- "O Canada", official version adopted in 1985, distributed as a bookmark by Citizenship and Immigration Canada.
- "O Canada" in An Act to amend the National Anthem Act (gender) (2018), official version with modifications adopted in 2018.