CODART, Dutch and Flemish art in museums worldwide
Jacob Adriaensz. Backer (1609 – 1651), Officers and other Marksmen of the V District in Amsterdam Led by Captain Cornelis de Graeff and Lieutenant Hendrick Lauwrensz, 1642
Rijksmuseum, Amsterdam
Dr. Olenka Horbatsch Assistant Keeper, Dutch and Flemish Prints and Drawings before 1880, British Museum in London, United Kingdom