id	keyword
grbs-17047	byzantine
grbs-17047	psellos
grbs-17047	roman
grbs-17047	state
grbs-17047	letters
grbs-17047	studies
grbs-17047	greek
grbs-17047	byzantium
grbs-17047	governance
grbs-17047	99–126
grbs-17047	krites
grbs-17047	friendship
grbs-17047	michael
grbs-17047	krallis
grbs-17047	personal
grbs-17047	medieval
grbs-17047	polity
grbs-17047	justice
grbs-17047	officials