pseudonymity

All hypotheses as to their pseudonymity or composition by different hands may be dismissed.

Indeed, that is an argument in favour of the pseudonymity of the Book.

The question of the pseudonymity of the book is still an open one.

Mrime's pseudonymity was of short duration, but whilst it lasted it was impenetrable.

Associated words: pseudonymous, pseudonymity, pseudepigraphous pseudepigraphy.