Columbia subject headings:
Alchemy--Early works to 1800.
Alchemy--History.
Harvard subject headings:
Alchemy--Early works to 1800
Alchemy--History
Alchemy--History--To 1500.
Manuscripts, Medieval.
Österreichische Nationalbibliothek. Manuscript. Cod. Vind. 2372.
Princeton subject headings:
Alchemy.
Codex Vindobonesis 2372.
Gratheus, Filius Philosophi, active 14th century.
Manuscripts, Dutch.
Manuscripts, Medieval.