In English it usually refers to dolmens, the remains of prehistoric stone chamber tombs. However, it is widely used in French, Portuguese and Spanish to describe stone circles. Confusingly, some English-speaking archaeologists, such as Aubrey Burl, use this second meaning for cromlech in English too.
- Harper, Douglas. "cromlech". Online Etymology Dictionary. Retrieved 9 November 2014.
- Anatoly Liberman (21 December 2009). A Bibliography of English Etymology: Sources and Word List. U of Minnesota Press. ISBN 978-0-8166-6772-7. Retrieved 3 August 2012.
- Aubrey Burl (28 February 2006). A Guide to the Stone Circles of Britain, Ireland and Brittany: Second Edition. Yale University Press. ISBN 978-0-300-11406-5. Retrieved 3 August 2012.
- Brian Haughton (19 March 2009). Haunted Spaces, Sacred Places: A Field Guide to Stone Circles, Crop Circles, Ancient Tombs, and Supernatural Landscapes: Easyread Super Large 20pt Edition. ReadHowYouWant.com. ISBN 978-1-4429-7123-3. Retrieved 3 August 2012.