At first glance this exhibition seemed misnamed, since, far from focusing exclusively on Monet, it presented a diverse group of dozens of artists and image-makers including European and American painters, printmakers, and photographers, all of whom were fascinated by the River Thames. A catalogue entry by the exhibition organizer, Jennifer Hardin, chief curator at the St. Petersburg Museum of Fine Arts, explains that the original motivation for the exhibition was the museum’s own Monet, Houses...