Vintage Posters Show How the Idea of the 'Strong Woman’ Evolved

The beginning of March's Women's History Month observance offers a chance to look back at how much has changed — and what hasn't — in the lives of women around the world. And when it comes to finding a visual representation of that change, popular posters can provide a unique window, argues Richard Davies, head of content for the online collectibles marketplace AbeBooks.com.

“Posters mirror society," he says. "Poster styles change when society changes.