Columbia subject headings:
Harvard subject headings:
Astronomy--Philosophy
Astronomy--Philosophy--Manuscripts.
British Library. Manuscript. Sloane 2453.
Columbia University. Libraries. Manuscript. Plimpton 260.
English literature--Middle English, 1100-1500--Criticism, Textual
Manuscripts, English (Middle)
Philosophy
Philosophy, Medieval--Manuscripts.
Princeton subject headings:
Astronomy--Philosophy--Manuscripts.
British Library. Manuscript. Sloane 2453
Columbia University. Libraries. Manuscript. Plimpton 260
English literature--Middle English, 1100-1500--Criticism, Textual.
Manuscripts, English (Middle)
Philosophy, Medieval--Manuscripts.