any of several types of Canadian parliamentary reports, especially financial reports.
- 1831  The annual returns were included in what was commonly called the Blue Book.
- 1916  There were too many railways to build . . . trade returns to bulge the blue-books, and election battles to fight.
- 1964  Tabling the traditional blue book of estimates in the Commons last week, Finance Minister Gordon gave notice of what's up in the Government's 1964-65 spending plans: just about everything.