Caplan, Bryan. 2012. Why should we restrict immigration? Cato Journal, Vol. 32, No. 1 (Winter 2012)
Caplan, Bryan. 2019. Open Borders: The Science and Ethics of Immigration. First Second
Caplan, Bryan. 2020. The Other Great Shutdown: Opening Statement for the Krikorian/Caplan Soho Forum Debate. Econlib.org. 7 May 2020
Carens, Joseph. 2015. The Ethics of Immigration. Oxford University Press
Clemens, Michael. 2011. Economics and Emigration: Trillion-Dollar Bills on the Sidewalk? Working Paper 264, Center for Global Development
Esipova, Neli, Anita Pugliese, and Julie Ray. 2018. More Than 750 Million Worldwide Would Migrate If They Could. Gallup News. 10 December 2018
Hornberger, Jacob. 1994. The Case for Unilateral Free Trade and Open Immigration. The Future of Freedom Foundation. 1 November 1994
Huemer, Michael. 2010. Is there a right to immigrate? Social Theory and Practice Vol. 36, No. 3 (July 2010), pp. 429-461
Organización Internacional para las Migraciones. 2019. Informe mundial sobre las migraciones 2020
Organización Internacional para las Migraciones. Informe mundial sobre las migraciones 2020 (versión en línea)
Pritchett, Lant. 2006. Let their people come: Breaking the gridlock on international labor mobility. Center for Global Development
Somin, Ilya. 2012. Immigration and Discrimination. The Volokh Conspiracy. 12 June 2012
Somin, Ilya. 2017. Why a nation is not like a house or a club – and why the difference matters for debates over immigration. The Washington Post, 6 August, 2017
Somin, Ilya. 2020. Immigration restrictions and racial discrimination share similar roots. The Hill. 24 November 2020