Fabritio Caroso was a dance master active in late 16th Century Italy. He published two important dance treatises, Il Ballarino in 1580 and Nobilta di Dame in 1600.
Nobilta di Dame is available in translation from Oxford University Press and also from Dover Books.
Il Ballarino is available on the web in facsimile and transcription here: http://www.pbm.com/~lindahl/caroso/ . A full translation is also available.