Referenced in:

• ed: 136 - Cambridge, Pembroke College, 91 xi [the anonymous Letter], 1-447 [Jerome, Tractatus in Psalmos, coll. as A]
• ed: 455 - London, British Library, Royal 4. A. xiv, fols. 1-106 [base MS (= I) for Jerome, Tractatus .lix. in Psalmos]