Black Scrolls of Rassilon

The  were a set of scrolls containing forbidden knowledge from the Dark Time. They were found by President Borusa within a casket marked with the Seal of Rassilon. To falsely implicate Jerricho in opening the Death Zone, Borusa left the casket and the scrolls (or convincing copies) in his chambers. Before anyone could examine the scrolls to confirm what they were, Borusa ensured that they spontaneously combusted.

According to the Fifth Doctor, the Black Scrolls were out of print by his time. (TV: The Five Doctors)

The Master's TARDIS library contained the Black Scrolls, alongside other reviled works. (PROSE: The Quantum Archangel) Before Gallifrey was destroyed (PROSE: The Guide to the Dark Times) by, (TV: Spyfall) River Song visited the planet to steal the Black Scrolls. Hence, the stories of the Dark Times were preserved beyond the Time Lords themselves. River and her wife used the Scrolls as the basis of The Dark Times Times. (PROSE: The Guide to the Dark Times)

Behind the scenes

 * The word The is indicated to be part of the title in The Quantum Archangel.

Pergaminhos Negros de Rassilon