http://en.wikipedia.org/wiki/Costanza_/_Costanzo#Variants The woman who disguises herself as a man is also found in Giambattista Basile's The Three Crowns. A later French variant, Belle-Belle ou Le Chevalier Fortuné by Madame d'Aulnoy, shows more influence from Straparola.<2> The woman disguised as a man is found in folk fairy tales as well, such as Vasilisa The Priest’s Daughter.