Pope Gregory XIII. and the massacre of Saint BartholomewSavory, D. L Sir · First published 1932Open the Tome
The History of the Popes, From the Close of the Middle Ages - Volume XIX (volume nineteen) Gregory XIII (1572-1585)Pastor, Ludwig and Kerr, Ralph Francis · First published 1930Open the Tome
Pope Gregory XIII. and the massacre of St. BartholomewJohn Jay, Huguenot Society of America · First published 1885Open the Tome
The Roman Martyrologe Set Forth By The Command Of Pope Gregory XIII. And Revievved By the Avthority Of Vrban VIIIGregory XIII Pope · First published 1667Open the Tome
