Curated OER
Web Gallery of Art: The Mirror of Virtue
An image of "The Mirror of Virtue", created by Cornelis Ketel, c. 1595 (Black chalk, pen in brown, brush in grey, on blue paper, 515 x 376).
Curated OER
Web Gallery of Art: Double Portrait of a Brother and Sister
An image of "Double Portrait of a Brother and Sister", created by Cornelis Ketelz (Oil on wood, 108,7 x 81 cm).