In addition to these, many versions of the Bible contain books which have not been considered canonical by their publishers, called apocrypha.

Expanded Universe material such as this is not usually considered canonical unless otherwise stated.

As this book is not licenced, it cannot be considered canonical.

Because of other conflicting information presented in the show's second season, this isn't necessarily considered canonical.

Neither of these appearances are generally considered canonical.

However, as inter-company crossovers are not considered canonical, this was ignored.

That no chapter and no book shall be considered canonical without his authority.

Thus the title is not considered canonical by many fans.

While the major events are considered canonical, a number of the details are not.

Some books, though considered canonical, are nonetheless difficult to locate and are not even widely available in Ethiopia.