Drawings, comparable in handling and subject, mostly dated between 1637 and 1642, are in the Ashmolean Museum, Oxford; the Statens Museum for Kunst, Copenhagen and in the Staatliche Museen, Berlin (Gernsheim nos. 42340, 72244 and 49005). Another was sold, Sotheby's Mak van Waay, Amsterdam, 16 November 1981, lot 69, illustrated