During the Scottish Wars of Independence, he was responsible for the Scottish submissions to the papal curia of 1301. Along with his colleagues William Frere and William of Eaglesham he prepared the Scottish case for sovereignty in the face of English claims and aggression by drawing upon and modifying the existing literature dealing with the foundation myths of the Scottish people, as well as those of the other inhabitants of what would later be called Great Britain, and with a lawyer's eye appraising the historical treaties between the two nations such as the Treaty of Falaise of 1174–1189 and their evolution or repudiation.
- Goldstein, R. James. "Bisset, Baldred". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/2475. (Subscription or UK public library membership required.)
- Henderson, Thomas Finlayson (1886). Stephen, Leslie (ed.). Dictionary of National Biography. 5. London: Smith, Elder & Co. . In
- Ferguson, William. The Identity of the Scottish Nation: A Historic Quest, (Edinburgh, 1998), ISBN 0-7486-1071-5