1. Sally M. Foster , Picts, Gaels and Scots ( London : Batsford/Historic Scotland , 1996 ).
2. Anna Ritchie , Picts ( Edinburgh : HMSO , 1989 ).
3. J. M. Bond , ‘Pictish pigs and Celtic cowboys: food and farming in the Atlantic Iron Age’ , in
B. Bailin Smith and
I. Banks , In the Shadow of the Brochs: the Iron Age in Scotland (Stroud: Tempus, 2002) , pp. 177 - 84 .
4. W. F. H. Nicolaisen , The Picts and their Place Names ( Rosemarkie : Groam House Museum Trust , 1996 ), pp. 12 – 13 .
5. Several bears are known from Pictish sculpture Anna Ritchie , Hogback Monuments at Govan and Beyond ( Govan, Glasgow : Friends of Govan Old Annual Lecture , 2004 ), p. 12 .