The Gilliérons’ paintings have an Art Nouveau feel in their figures ... to the sale of full-size watercolor reproductions of frescos to institutions like the British Museum and Metropolitan ...

In the 1930s and ’40s, European artists like Mathurin Méheut sought romance in prehistory with Art Nouveau designs and evocative watercolors, setting his bat-winged pterodactyls and drooping ...

Vanessa Helder (whose 2013 retrospective of “precisionist watercolors” at the Tacoma Art Museum turned most preconceptions about the medium on their head). But it’s the lesser-known figures ...