See the links above for a new translation of an important document against the errors of sedevacantism.
ON THE DEPOSITION OF THE POPE
Text of John of St. Thomas O.P.
Translated from the Latin and annotated by Fr. Pierre-Marie O.P. (Avrillé. France)
and published in Le Sel de la Terre [No. 90, Fall 2014]
Translated from French to English by Fr. Juan Carlos Ortiz