"Le trésor de la cité des dames de degré en degré et de tous estatz" by Christine de Pisan is an educational manual written in 1405. A sequel to her celebrated work defending women's worth, this book offers practical lessons to women of all social ranks—from nuns to prostitutes, married or unmarried. Drawing upon examples of famous virtuous women, Christine provides guidance for navigating daily life across different estates, establishing herself as a pioneering voice in women's rights.