Concept
Version 2
Created by Boundless
Christine de Pizan
Picture from The Book of the City of Ladies
The Treasure of the City of Ladies is a manual of education by medieval Italian-French author Christine de Pizan.
A painting depicting, on the right, two women building a wall and, on the left, four women playing music from a book.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"540px-Meister_der_'Cité_des_Dames'_002.jpg."
https://en.wikipedia.org/wiki/Christine_de_Pizan#/media/File:Meister_der_%27Cite_des_Dames%27_002.jpg
Wikipedia
CC BY-SA 3.0.