This study provides the first book-length account of U.S.-Habsburg relations from their origins in the early nineteenth century through the aftermath of World War I and the Paris Peace Conference. By including not only high-level diplomacy but also an analysis of diplomats' ceremonial and social activities, as well as an exploration of consular efforts to determine the citizenship status of thousands of individuals who migrated between the two countries, Nicole M. Phelps demonstrates the influence of the Habsburg government on the integration of the United States into the nineteenth-century...