41. Power Failures: Engineers and the Litani River, 1918–1978 Lawson, Owain 2021 Theses HistoryHydroelectric power plantsRiver engineeringDecolonization--French coloniesImperialismCapitalism
42. Slavery Is Slavery: Early American Mythmaking and the Invention of the Free State Heniford, Kellen 2021 Theses HistorySlaverySlavery--Legal status of slaves in free statesAntislavery movementsLabor economics
43. Slavery, Pollution, and Politics on Texas' Trinity River McFarlane, Wallace Scot 2021 Theses HistoryEnvironmental justiceRacismSlaveryWater--Pollution
44. Stripped: Ruination, Liminality, and the Making of the Gaza Strip Halevy, Dotan 2021 Theses HistoryImperialismArab-Israeli conflictWorld War (1914-1918)Barley industryBrewing industryRuined buildingsRuins, Modern
45. The Discovery of the “Free World”: A History of U.S. Foreign Policy Slezkine, Peter 2021 Theses HistoryCold War (1945-1989)International relationsFreedomTwentieth centuryTruman, Harry S., 1884-1972Wilson, Woodrow, 1856-1924
46. The Disruption of Philanthropy in the San Francisco Bay Area McElroy, Micah David 2021 Theses HistoryPhilanthropistsCorporations--Charitable contributionsSocial serviceBenefactors
47. The Life of Pictures: Charles Dana Gibson, John Sloan, and the Making of the Middle-Class Imagination, 1883-1913 Schwartz, Joshua Simon 2021 Theses HistoryIllustration of booksMiddle class--Social life and customsSocial changeArt, AmericanGibson, Charles Dana, 1867-1944Sloan, John, 1871-1951
48. The National Security State That Wasn’t: Liberals, Conservatives, and the Fight to Define the Government’s Responsibilities in the 1930s and 1940s Roady, Peter 2021 Theses HistoryPolitical scienceNational securityWelfare stateNineteen thirtiesNineteen fortiesRoosevelt, Franklin D. (Franklin Delano), 1882-1945
49. The 'Silver Sea' and the Nation-State: The Multifaceted Geopolitics of the Early Modern English Channel Marris, Caroline Foster 2021 Theses HistoryMapsGeographyInternational tradeCartographyCartographers
50. The Small Universe of Social Protection: Labor, Underemployment and Assistance in Mexico’s Welfare State, 1917-1970 Hidalgo Garza, Sara Daniela 2021 Theses HistoryPublic healthPublic welfareInstituto Mexicano del Seguro SocialMexico. Secretaría de Salubridad y Asistencia