Columbia subject headings:
Harvard subject headings:
Alexander, of Ashby, active 12th century-13th century.
Christian poetry, Latin (Medieval and modern)--England--History and criticism.
Theology--Early works to 1800
Princeton subject headings:
Alexander, of Ashby, active 12th century-13th century--Concordances.
Concordances.
Latin poetry, Medieval and modern--Concordances.