Other canonical sources, such as the Abhidhamma, underline the key role of loving-kindness in the development of wholesome karma.

Some scholars, such as John Dominic Crossan, even argue that noncanonical sources are to be preferred over canonical sources.

Slash fiction readers and writers tend to adhere closely to the canonical source of their fiction, and create a fandom for that particular source.

Other scholars argue that questioning canonical sources is a slippery slope.

Additions should cite a canonical source.

None of this would matter very much if the central doctrine and teaching of Jesus emerged strongly, consistently and coherently from all the canonical sources.

But they should: the first recorded use of "scrabble" is from no less canonical a source than the King James Bible itself.

For purposes of military and cultural analysis, it is beneficial to remain true to canonical sources whenever possible.

Below, these discourses and related canonical sources are identified.

The canonical source for the document is in the philosophy section of the GNU Project website.