9 March 2018 | Publisher: National Legislative Bodies / National Authorities | Document type: National Decrees, Circulars, Regulation, Policy Documents
29 April 2017 | Publisher: National Legislative Bodies / National Authorities | Document type: National Decrees, Circulars, Regulation, Policy Documents
February 2013 | Publisher: European Migration Network (EMN) | Document type: Thematic Reports
1 August 1993 | Publisher: Canada: Immigration and Refugee Board of Canada | Document type: Query Responses
5 July 1922 | Publisher: League of Nations | Document type: Multilateral Treaties/Agreements