Scimus Fili (Latin for "We know my son")  was a Papal Bull issued by Pope Boniface VIII on June 27, 1299. The Bull condemned King Edward I of England's invasion and occupation of Scotland. Stating instead it belonged to the Holy See. The English rejected the bull, the Barons' Letter of 1301 including a detailed refutation and assertion of English overlorship of Scotland.
- Michael Brown, The Wars of Scotland 1214-1371 (Edinburgh, 2004), pg192 and pg280
- Geoffrey Barrow, Robert the Bruce and the Community of the Realm of Scotland, (Edinburgh, 1988), pg61