The David Hume Institute (2008) The Economics of New Immigration to Scotland, Hume Occasional Paper No. 77,  March 2008

Keating, Michael (2009) The Independence of Scotland: Self-Government and the Shifting Politics of Union, Oxford University Press, chapter 7

Shisheya, Mariya, Christie, Gary and Mulvey, Gareth (2013), Improving the Lives of Refugees in Scotland After the Referendum: An Appraisal of the Options, Scottish Refugee Council

Shaw, Jo (2013), Citizenship in an Independent Scotland: Legal Status and Political Implications, CITSEE Working Paper Series, 2013/34

Gallagher, Jim (2013), Policy Primer: Citizenship, Borders and Migration in an Independent Scotland, Migration Observatory, Future of UK and Scotland

HM Government (2014), Scotland Analysis: Borders and Citizenship, Cm 8726

Zeigler, Ruvi, Shaw, Jo and Baubock, Rainer (eds) (2014), Independence Referendums: Who Should Vote and Who Should be Offered Citizenship?, EUI Working Papers, RSCAS 2014/90

Ryan, Bernard (2014), 'At the Borders of Sovereignty: Nationality and Immigration Policy in an Independent Scotland' 28(2) Journal of Immigration, Asylum and Nationality Law 146

McCollum, D and Blinder, S (2014), 'Does Scotland need a separate immigration policy, and if the vote is yes could we have one?' Q 13 in  Charlie Jeffrey and Ray Perman (eds) Scotland’s Decision: 16 Questions to think about for the referendum on 18 September