Note 2623 — Chapter XXVIII · ARABIC OCCULT SCIENCE OF THE NINTH CENTURY
Reading edition
Digby 68, 14th century, fol. 116-“Ysagoga minor Japharis mathematici in astronomiam per Adhelardum Bathoniencem ex Arabico sumpta. Quicunque philosophie scienciam altiorem studio constanti inquireris....”
Sloane 2030, fols. 83-86v, according to Haskins in EHR (1913), but my notes, which it is now too late to verify, suggest that it is a fragment occupying less than a page at fol. 87.