Columbia subject headings:
Harvard subject headings:
Alchemy
Alchemy--History--To 1500.
Llull, Ramon, 1232?-1316
Philosophy, Medieval.
Pseudo-Llull.
Science, Medieval
Princeton subject headings:
Alchemy--History--Sources.
Alchemy--History.
Llull, Ramon, 1232?-1316--Authorship.
Philosophy, Medieval.
Science, Medieval.