Gregory xiii posters & prints

Engraving of Pope Gregory XIII Anonymous

Letter from Philip II of Spain to Pope Gregory XIII, 8th November 1579 King Philip II

Portrait of Pope Gregory XIII Lavinia Fontana

Portrait of Pope Gregory XIII Lavinia Fontana

Bust portrait of Pope Gregory XIII Taddeo Landini

Pope Gregory IX Canonising St. Francis in 1228, 1297-99 Giotto (c.1266-1337)

Discussion of the Reform of the Calendar under Pope Gregory XIII replaced by the Gregorian Calendar, Rome, 15 October 1582 Italian School

The Mass of Saint Gregory the Great, c. 1500 Anonymous

Saint Gregory the Great Pedro Berruguete

Mass of Saint Gregory Anonymous

Saint Gregory the Great, ca 1690 Anonymous

Pope Gregory XV Guercino

Mass of St Gregory, c.1510 Flemish School

The Vow of Louis XIII Simon Vouet

Benedictus XIII Portrait Anonymous

The Mass of Saint Gregory the Great, ca 1510-1520 Adriaen Isenbrant

Portrait of Louis XIII of France Simon Vouet

Portrait of Louis XIII as a Boy Frans Pourbus the Younger

Pope Gregory XV Guercino

Louis XIII Jacques Etienne Pannier

Portrait of Louis XIII, French School Anonymous

William Gregory, Lord Mayor Anonymous

Pope Gregory I the Great Anonymous

The Mass of Saint Gregory, 1511 Albrecht Dürer

Gaston, Duc d'Orleans, commander of the armies under Louis XIII of France Anonymous

His Holiness Pope Leo Xiii Anonymous

Saint Gregory the Great Anonymous

Portrait of George de Ligne Gregory John Russell

The Mass of Saint Gregory the Great Diego de la Cruz

Pope Leo XIII Anonymous

Sir Gregory Page-Turner, 1768 Pompeo Girolamo Batoni

St. Gregory the Great and Job Anonymous

Mass of Saint Gregory Anonymous

Cardinal Mazarin in a meeting with Louis XIII and his advisers Boudewijn van der Aa

Louis XIII Receiving Henri d'Orleans Duc de Longueville, into the Order of the Saint Esprit, 1633 Philippe de Champaigne

The Mass of Saint Gregory the Great Master of Portillo