Columbia subject headings:
Customary laws.
Feudal law--Greece--Achaia.
Feudal law.
Law, Medieval.
Liber consuetudinum Imperii Romaniae.
Harvard subject headings:
Feudal law.
Law, Medieval.
Liber consuetudinum Imperii Romaniae.
Statutes--Romania.
Princeton subject headings:
Feudal law--Sources.
Law, Medieval--Sources.
Liber consuetudinum Imperii Romaniae.