This book brings together for the first time all 260 surviving documents issued by, or in the name of, all the Scottish bishops of the twelfth century, when written acta first appear in Scotland. Every Latin text is printed in full, preceded by an English summary and followed by an explanation of the date ascribed to each document and, where appropriate, textual notes and comments. Originals are described in detail: endorsement, physical condition and seal. The sources are archives in Scotland and England, the Archives Nationales, the muniments of four private owners and the copies made by...