Columbia subject headings:
Escorial. Real Biblioteca. Manuscript. Lat. e.III.23.
Italian poetry--History and criticism.
Manuscripts, Italian.
Harvard subject headings:
Escorial. Real Biblioteca. Manuscript. Lat. e.III.23.
Italian poetry--To 1400--History and criticism
Manuscripts, Italian--Editing.
Princeton subject headings:
Escorial. Real Biblioteca. Manuscript. Lat. e.III.23
Italian poetry--History and criticism.
Manuscripts, Italian.