Fanlore

But by this time, we'd remembered the location of Clifton's Cafeteria which is well-known in old Los Angeles fanlore.

Source: wiktionary

We have moved out of fannish lore and into questions of ontology. I have long been fascinated by anything having to do with the nature of existence, nonexistence, the interplay between the two — even more than being fascinated by discussions of fanlore.

Source: wiktionary

The identification of Carl Barks is a crucial part of the fanlore, and the subject of some mild disagreement.

Source: wiktionary