25 May 2000 | Publisher: United States Bureau of Citizenship and Immigration Services | Document type: Query Responses
3 December 1998 | Publisher: United States Bureau of Citizenship and Immigration Services | Document type: Query Responses
5 August 1998 | Publisher: United States Bureau of Citizenship and Immigration Services | Document type: Query Responses
1 August 1993 | Publisher: United States Bureau of Citizenship and Immigration Services | Document type: Country Reports