Gregorius Mees

Portrait of Francis Ridderus Gregorius Mees

Gregory VII. Anonymous

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

Pope Gregory XV Guercino

Sir Gregory Page-Turner, 1768 Pompeo Girolamo Batoni

The Mass of Saint Gregory the Great Master of Portillo

Pope Saint Gregory VII (c. 1015/1028-1085), Anonymous

Mass of Saint Gregory Anonymous

Pope Gregory XV Guercino

Mass of St Gregory, c.1510 Flemish School

Mass of Saint Gregory Anonymous

Saint Gregory the Great Pedro Berruguete

Portrait of Henri Grégoire, 1790s Anonymous

The Mass of Saint Gregory Israhel van Meckenem

The Mass of Saint Gregory Spanish Painter

The Mass of Saint Gregory the Great Diego de la Cruz

St. Gregory, 1681 Claude Mellan

The Mass of Saint Gregory Israhel van Meckenem

Sir Gregory Gigg Henry William Bunbury

The Distrest Poet William Hogarth

James Gregory, 17th century Scottish mathematician and astronomer Unknown

Saint Gregory the Great Anonymous

Portrait of John Gerhardia Besten J. Mees

The Mass of St. Gregory Luca Giordano

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

Portrait of Pope Gregory VII English School

The Mass of Saint Gregory, ca 1460 Simon Marmion