ME.: Middle English.
North.E.: Northern English, see [4], [36].
OF.: Old French, see [3], [6], [17], [18], [22], [24], [30], [48], [54].
OHG.: Old High German, see [37], [46], [69], [78].
OIr.: Old Irish, see [19], [79].
OMerc.: Old Mercian, see [2] (Rushworth version), [45], [73].
ONorth.: Old Northumbrian, see [2].
OS.: Old Saxon, see [35].
OTeut.: Old Teutonic (as restored by scholars), see [27], [43].
Sp.: Spanish, see [41].