Author/Creator
- United Nations. Economic Commission for Latin America and the Caribbean458
- United Nations. Economic Commission for Latin America274
- United Nations. Economic and Social Council207
- United States. Social Security Administration130
- United States97
- Statistical Office of the European Communities77
- United States. Bureau of the Census76
- Commission of the European Communities74
- United States. Immigration and Naturalization Service51
- Latin American Symposium on Industrial Development (1966 : Santiago, Chile)49
- United States. Congress. House. Committee on the Judiciary. Subcommittee on Immigration and Claims41
- United States. Congress. House. Committee on the Judiciary. Subcommittee on Immigration, Border Security, and Claims34
- National Cancer Institute (U.S.)31
- European Coal and Steel Community. High Authority24
- United States. Congress. House. Committee on the Judiciary. Subcommittee on Immigration, Citizenship, Refugees, Border Security, and International Law24
- United States. Congress. House. Committee on the Judiciary. Subcommittee on Immigration, Refugees, and International Law24
- National Institutes of Health (U.S.)21
- United States. Food and Drug Administration21
- European Community Information Service20
- United Nations20