Incipit MS and Item no. IMEP volume
Opus ad album make a coresif of wetriall sat petyr and of Trinity R.14.45 [18] 11
Opus verum et probatum per magister j bedmyster Oxf CCC 226 [17] 8
Opyn techynge and goddis lawe orld [sic] & newe opyn CCCC 296 [25] 20
Oracio HM 142 [1] 1
Oracio abacuc Laud 448 [3] 16
Oracio ualde deuota facta per sanctum BMaz 514 [1] 7
Oracio venerabilis bede presbiteri Chetham's 6690 [5] 2
Os a gret clerk scheweth in his bokes off alle creatures Not Mi LM9 [1] 15
Os commyn þing is better & bifore oþer þingis CCCC 336 [1] 20
Os facies mentum Caius 417/447 [A 30] 17
Os men schulde trowe in crist þat he is CCCC 336 [71] 20
Os þer ben foure gospelers so þe chirche rediþ CCCC 336 [126] 20
Ossito \gaue/ sternuto singulcio \ȝexe/ nausio \spew/ sterto Trinity O.9.28 [A 72] 11
Othere counseilis good and holsum if thei have wilful execucioun ex Lambeth 594 [9] 13
Our glorious god and high creatour of all thinges made Trinity O.8.29 [6] 11
Our lord aperyd to an holy man and seyd hym ho þat louyth me record CUL Kk.1.6 [4] 19
Our lorde was crownyd quattuor vices videlicet cum Digby 88 [1] 3
Our mercifull lord god christ jesu [ … ] chastiseth his children Amp 118 [1] 6
Our question is of the antiquitie and manner of lawfulle Ashmole 856 [4] 9
Our suete lorde god of heuene þat no man wil perissh Lich 29 [2] 15
Our swete lorde god of heuene that noman wol perissh Oxf NC 314 [2] 8
Oure fadir that art in hevens halewid be thi name and so he taugte Lambeth 594 [2] 13
Oure fadir þat art in heuenes halewid be þi name York Min XVI.D.2 [2] 6
Oure fadir þat art in heuenes halwid be þi CCCC 296 [17] 20
Oure grete lorde of heuenne that no manne wol perissh but Trinity R.3.3 [2] 11