Images all from the Visual Arts Data Service
Pius VI, by Goulet, 1803, Bowes Museum, Barnard Castle, Co. Durham
Clement VII, by School of Sebastiano del Piombo, 1527-34, Pollok House, Glasgow
Pope Benedict XIII, (Italian School), 1720s, Grosvenor Museum, Chester
Christ and the Pope, (German School), late sixteenth century, Pollok House, Glasgow
Alexander VIII as Cardinal, Francesco Trevisani, 1690s, Bowes Museum, Barnard Castle