The text reprinted here is that of Wilhelm Weinberger, from volume 67 of the Vienna Corpus Scriptorum Ecclesiasticorum Latinorum.
< = "from"
AG = Allan and Greenough's New Latin Grammar (Boston 1916: often reprinted)
Gruber = J. Gruber, Kommentar zu Boethius De Consolatione Philosophiae (Berlin 1979)
LHS = Leumann-Hofmann-Szantyr, Lateinische Grammatik: Lateinische Syntax und Stilistik (Munich 1972)
sc. = scilicet, 'supply'
Passages in the Consolatio are indicated thus: 1M1.9 = Book One, Metrum One, Line 9. 2P6.4 = Book Two, Prosa Six, Section 4.