Open book with Chinese calligraphy and a drawing of a tree in a pot

Painting of a man with a long white beard wearing a yellow coat

Painting of a house with a tree in the foreground

Old map of the city of Cologne

Black and white drawing of a pair of thermometers with a rope attached…

Map of the Battle of Inigte aten

Painting of a coat of arms with a crown on top of it

Painting of a man and woman dressed in traditional Romanian clothing

Painting of boats in the water near a building