We can definitely confirm that from the 13th century onwards there were '''two ethnic''' communities living on the island in the middle ages, one being descendants of the Roman Empire and the other being of Slavic descent. <ref>[http://books.google.com.au/books?id=p3oGybOY1w4C&pg=PA103&dq=korcula+Venice++Slavs&hl=en&ei=oMBjTJPQBoicvgPkpPCeCg&sa=X&oi=book_result&ct=result&resnum=6&ved=0CE4Q6AEwBQ#v=onepage&q=korcula%20Venice%20%20Slavs&f=false When Ethnicity Did not Matter in the Balkans:] by John Van Antwerp Fine. (p103)</ref><ref>Smiciklas, ''CD'' V, (p237); N. Klaic, ''Povijest Hrvata u Razvijenom'', (p130) {{quote| | We can definitely confirm that from the 13th century onwards there were '''two ethnic''' communities living on the island in the middle ages, one being descendants of the Roman Empire and the other being of Slavic descent. <ref>[http://books.google.com.au/books?id=p3oGybOY1w4C&pg=PA103&dq=korcula+Venice++Slavs&hl=en&ei=oMBjTJPQBoicvgPkpPCeCg&sa=X&oi=book_result&ct=result&resnum=6&ved=0CE4Q6AEwBQ#v=onepage&q=korcula%20Venice%20%20Slavs&f=false When Ethnicity Did not Matter in the Balkans:] by John Van Antwerp Fine. (p103)</ref><ref>Smiciklas, ''CD'' V, (p237); N. Klaic, ''Povijest Hrvata u Razvijenom'', (p130) {{quote| |