This series consists of documents relating to Anglo-Scottish relations which were housed in the Exchequer, Treasury of Receipt.

The series holds material relating to the disputed succession to the Scottish throne on the death of Margaret of Norway in 1290 and the claims of Edward I as superior lord in dealing with the contest between John Balliol and Robert Bruce for the Scottish Crown, 1290-1292, and the ensuing Anglo-Scottish wars. There is also material relating to treaties and truces between the two kingdoms into the sixteenth century.

Of particular note are versions of the 'Great Roll of Scotland', detailing the events at Norham and Berwick in 1291-1292; extracts of chronicles sent by English religious houses used by Edward I as evidence of the history of Anglo-Scottish relations in 1291; the original oaths of fealty given to Edward I by the Scottish nobility in 1296-1297; versions of the 'Barons' Letter' and that of Edward I of 1301 in reply to the bull of Pope Boniface VIII claiming papal superiority over Scotland; records relating to the ransom of David Bruce, David II of Scotland in 1357; and fifteenth century forgeries relating to English rights in Scotland made by the chronicler John Hardyng.