[Mémoires, lettres et pièces authentiques touchant la vie et la mort de S. A. R. monseigneur Charles-Ferdinand d'Artois duc de Berry]
Requires prior general knowledge of the subject.
Readers with knowledgeable about the subject matter.
Contains doctrinal errors of some importance.
Whilst not being explicitly against the faith, the general approach or its main points are ambiguous or opposed to the Church’s teachings.
Incompatible with Catholic doctrine.