GFDatabase... for when a (very) long-term perspective is needed
As convenient as it is, relying solely on online information introduces a dangerous bias in research. It's true that an increasing amount of older information is being digitized every day, but that is still just a tiny sample of all the information that has been produced. Limiting your research to only online sources introduces a shortsightedness that can affect your conclusions and your decisions.
Paradoxically, I say all that as preamble to a post about yet another online resource, but the database I'm highlighting exists in part to help correct the myopia: GFDatabase.
<Read on for details & examples, including a 260-year chart of Canadian inflation...>