South Sudan -- Boundaries -- Sudan. : The North-South Sudan conflict 2012 : hearing before the Subcommittee on Africa, Global Health, and Human Rights of the Committee on Foreign Affairs, House of Representatives, One Hundred Twelfth Congress, second session, April 26, 2012.
South Sudan Children Crimes Against : South Sudan : options in crisis : hearing before the Committee on Foreign Relations, United States Senate, One Hundred Fourteenth Congress, second session, September 20, 2016.
South Sudan Famines : Various measures : markup before the Committee on Foreign Affairs, House of Representatives, One Hundred Fifteenth Congress, first session on H. Res. 54, H. Res. 92, H. Res. 137, H. Res. 145, H. Res. 187, H.R. 390, H.R. 479, H.R. 672, H.R. 1644, March 29, 2017.