United States. Congress. Senate. Committee on Foreign Relations. Subcommittee on Europe and Regional Security Cooperation, author.
Washington : U.S. Government Publishing Office, 2019.
United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Europe, Eurasia, and Emerging Threats, author.
[Washington, D.C.] : U.S. Government Printing Office, [2013]
United States. Congress. Commission on Security and Cooperation in Europe, author.
Washington : Commission on Security and Cooperation in Europe, 2019.
United States. Congress. Senate. Committee on Foreign Relations. Subcommittee on European Affairs, author.
Washington : U.S. Government Printing Office, 2014.