^Wilkes, J. J. The Illyrians, 1992,ISBN0-631-19807-5,page 81,"... " In Roman Pannonia the Latobici and Varciani who dwelt east of the Venetic Catari in the upper Sava valley were Celtic but the Colapiani of ..."
^Wilkes, J. J. The Illyrians, 1992,ISBN0-631-19807-5,page 256,
"... established among the predominantly Celtic communities of the Latobici and Varciani. Only later, in the reign of Trajan (AD 98-117), does the Roman citizenship begin to appear among the ..."