Columbia subject headings:
Plato--Manuscripts.
Plato. Symposium--Criticism, Textual.
Harvard subject headings:
Plato. Symposium--Criticism, Textual.
Princeton subject headings:
Dialogues, Greek--Criticism, Textual.
Manuscripts, Greek.
Plato--Manuscripts.
Plato. Symposium--Criticism, Textual.