There are many websites out there that can be helpful in your research. This is not meant to be a list of all such sites. These are only a couple of sites that I like and use often:
When reading books like Dictionnaire généalogique des familles canadiennes, it can be difficult to understand the abbreviations used, because the text is in French. Many of those abbreviations are explained here:
In my travels, I've stumbled on a few documents that provide data about my family. These are some links to those documents:
I also have links to many, many resources that are specific to certain names in my family tree. I'm starting to include some of those links here in case you also find them helpful.