Dictionaries of the Scots Language
Dictionars o the Scots Leid

A Dictionary of the Older Scottish Tongue (up to 1700)

Bibliography

Obsecro 
 
[?a1500] Obsecro In Devotional Pieces in Verse and Prose from MS Arundel 285 and MS Harleian 6919 Bennett, J.A.W. (ed.); STS iii 23, Blackwood & Sons, Edinburgh, 1955. pp 290-3DOST Lib.