Scotland: Archaeology and Early History - James Neil Graham Ritchie, Anna Ritchie - Google Books

https://books.google.de/books?id=T34df1VgcgYC&pg=PA123#v=onepage

Scotland is unusually rich in field monuments and objects surviving from early times. This comprehensive survey of Scotland's prehistoric and early historic archaeology covers the full chronological range from the earliest inhabitants to the union of the…