van der Straet, Jan; A Natural Philosopher in His Study; Wellcome Library; http://www.artuk.org/artworks/a-natural-philosopher-in-his-study-126310
van der Straet, Jan, 1523-1605; A Natural Philosopher in His Study
van der Straet, Jan; A Natural Philosopher in His Study; Wellcome Library; http://www.artuk.org/artworks/a-natural-philosopher-in-his-study-126310