1. Radiocarbon dates for settlements, tombs and ceremonial sites with Grooved Ware in Scotland;Ashmore,1998
2. Colour in early cloth and clothing;Barber;Cambridge Archaeol. J.,1999
3. Islands of history: the Late Neolithic timescape of Orkney;Bayliss;Antiquity,2017
4. Apatropaism and the temporality of colours;Boric,2002
5. Brophy, K., Sheridan, A. (Eds), 2012. Neolithic Panel Report, Scottish Archaeological Research Framework: Society of Antiquaries of Scotland. Available online at http://tinyurl.com/d73xkvn.