Columbia subject headings:
Christianity and other religions--Congresses.
Llull, Ramon, 1232?-1316--Criticism and interpretation--Congresses.
Philosophers--Spain--Congresses.
Harvard subject headings:
Christianity and other religions.
Llull, Ramon, 1232?-1316--Congresses.
Philosophers--Spain--Biography--Early works to 1800.
Philosophy, Medieval--Congresses.
Princeton subject headings:
Christianity and other religions--Congresses.
Llull, Ramon, 1232?-1316--Criticism and interpretation--Congresses.
Philosophers--Spain--Congresses.