Broch (rundhus) (Norwegian Wikipedia)

Royal Commission on the Ancient and Historical Monuments and Constructions; Maxwell, Herbert (14. mai 2018): «Seventh report with inventory of monuments and constructions in the county of Dumfries». Edinburgh : H.M. Stationery Off. Arkivert fra originalen den 31. august 2016

bbc.co.uk

MacKie, Euan W. (Desember 1965): «The Origin and Development of the Broch and Wheelhouse Building Cultures of the Scottish Iron Age», Proceedings of the Prehistoric Society. Cambridge University Press (CUP). 31: 93–146. doi:10.1017/s0079497x00014742. ISSN 0079-497X.
Scott, Lindsay (1947): «The Problem of the Brochs», Proceedings of the Prehistoric Society. Cambridge University Press (CUP). 13: 1–36. doi:10.1017/s0079497x00019605. ISSN 0079-497X.

Steveco (11. november 2002): «Iron Age and Later Prehistory - Dun Dornaigil», The Megalithic Portal
Hogan, C. Michael (7. oktober 2007): Burroughston Broch, The Megalithic Portal

McGinlay, Chris (23. oktober 2006): «Brochs of Shetland - Culswick». Arkivert fra originalen den 13. mai 2008.

«RCAHMS», Royal Commission on the Ancient and Historical Monuments of Scotland

For C14-datering stedene på Shetland, se Shetland Amenity Trust. Arkivert 4. mai 2009 hos Wayback Machine

James, Alan: «The Brittonic Language in the Old North» (PDF). Scottish Place Name Society.

For C14-datering stedene på Shetland, se Shetland Amenity Trust. Arkivert 4. mai 2009 hos Wayback Machine
Royal Commission on the Ancient and Historical Monuments and Constructions; Maxwell, Herbert (14. mai 2018): «Seventh report with inventory of monuments and constructions in the county of Dumfries». Edinburgh : H.M. Stationery Off. Arkivert fra originalen den 31. august 2016
McGinlay, Chris (23. oktober 2006): «Brochs of Shetland - Culswick». Arkivert fra originalen den 13. mai 2008.

MacKie, Euan W. (Desember 1965): «The Origin and Development of the Broch and Wheelhouse Building Cultures of the Scottish Iron Age», Proceedings of the Prehistoric Society. Cambridge University Press (CUP). 31: 93–146. doi:10.1017/s0079497x00014742. ISSN 0079-497X.
Scott, Lindsay (1947): «The Problem of the Brochs», Proceedings of the Prehistoric Society. Cambridge University Press (CUP). 13: 1–36. doi:10.1017/s0079497x00019605. ISSN 0079-497X.
Childe, V (2016): The prehistory of Scotland. London: Routledge. ISBN 978-1-138-81727-2. OCLC 944381428
Dockrill, S.J., Outram, Z. &Batt, C.M. (2006): «Time and place: a new chronology for the origin of the broch based on the scientific dating programme at the Old Scatness Broch, Shetland», PSAS, v. 136, s. 89-110; ISSN 0081-1564
Feachem, R.W. (1992): Prehistoric Scotland, ISSN 0305-8980