In their research, curators including art historian Marianne Mathieu also came across evidence contradicting the belief that all Impressionist painting was executed swiftly.

Here are seven essential paintings from her nearly 50-year career.

A key Impressionist, Morisot has been the subject of renewed attention.

Women were at the center of the major movement—even if their contributions have gone under-recognized.

The writing is part of a collection of artists' letters to be published this fall.

"That she was a woman, and of considerable social position, led critics of her own time to treat her work as that of a dilettante."

The exhibition "Berthe Morisot: Woman Impressionist," on view at the Barnes Foundation in Philadelphia through January 14, 2019, restores one of the founders of Impressionism to the picture.