Columbia subject headings:
Alchemy--Bibliography.
Llull, Ramon, 1232?-1316.
Harvard subject headings:
Alchemy--Spain--History.
Llull, Ramon, 1232?-1316
Llull, Ramon, 1232?-1316--Views on alchemy.
Princeton subject headings:
Alchemy--Early works to 1800.
Alchemy--History.
Llull, Ramon, 1232?-1316--Authorship.