id	keyword
grbs-581	lucian
grbs-581	rhetoric
grbs-581	road
grbs-581	teacher
grbs-581	libanius
grbs-581	students
grbs-581	education
grbs-581	roman
grbs-581	years
grbs-581	time
grbs-581	school
grbs-581	cribiore
grbs-581	dialogue