Fynn-Paul, Jeffrey (December 2008). "Tartars in Spain: renaissance slavery in the Catalan city of Manresa, c. 1408". Journal of Medieval History. 34 (4): 347–359. doi:10.1016/j.jmedhist.2008.09.006. S2CID159594926.
Fynn-Paul, Jeffrey (December 2008). "Tartars in Spain: renaissance slavery in the Catalan city of Manresa, c. 1408". Journal of Medieval History. 34 (4): 347–359. doi:10.1016/j.jmedhist.2008.09.006. S2CID159594926.