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 Sir Joshua Reynolds:   Sir Joshua Reynolds at the Dulwich Picture Gallery A General on Horseback A Girl with a Baby Mrs Siddons as the Tragic Muse Recovery from Sickness, an Allegory Robert Dodsley The Calling of Samuel