The Dulwich Picture Gallery has many good scans from its amazing collection online, but the site is slow and is hampered by inconsistent searching and the inability to "browse" effectively. Here are the works we have catalogued by Nicolas Berchem:   Nicolaes Berchem at the Dulwich Picture Gallery A Farrier and Peasants near Roman Ruins A Road through a Wood Peasants at a Ford Roman Fountain with Cattle and Figures Travelling Peasants [Le Soir]