He described them as follows :
Around 1290 , a learned Dominican Catholic from Tuscany , Ricoldo da Montecroce , or Ricoldo Pennini , was in Mesopotamia where he met the Mandaeans .
Ricoldo da Montecroce described Mandaeans as follows :
Around 1290 , a learned Dominican Catholic from Tuscany , Ricoldo da Montecroce , or Ricoldo Pennini , was in Mesopotamia where he met the Mandaeans .