Mass of Saint Gregory
... that some prints of the Mass of Saint Gregory claimed to offer indulgences of up to 45,000 years?
... that some <a href="./Old_master_print" id="mwF3M" rel="mw:WikiLink" title="Old master print">prints</a> of the <b id="mwF3Q"><a href="./Mass_of_Saint_Gregory" id="mwF3U" rel="mw:WikiLink" title="Mass of Saint Gregory">Mass of Saint Gregory</a></b> claimed to offer <a href="./Indulgence" id="mwF3Y" rel="mw:WikiLink" title="Indulgence">indulgences</a> of up to 45,000 years?