It wouldn't be hard to have a column on a spreadsheet that says if things are canon or non-canon, making it simple to reshuffle the list to separate the two. We could even have a third designation for stuff that didn't even show up in a netbook, but was simply mentioned in a forum or an online game (like that "Pennies for the Ferryman" song that kept cropping up in the EwtF game). Not that anyone's likely to root through forum archives and so on, hunting for such references; it'd just be a way to include things that stuck in people's minds, the way that song stuck in mine.
A spreadsheet would also be slightly easier to update than a list, since a new entry can just be tagged on at the end, instead of the editor's trying to work out where on a list it best belongs.
