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- CONTRIBUTIONS TO THE HISTORY OF CONCEPTS is a biannual publication of the Grupo de Pesquisa em História dos Conceitos e Teoria Política e Social do Instituto Universitário de Pesquisas do Rio de Janeiro (IUPERJ) and of the History of Political and Social Concepts Group (HPSCG). Its goal is to publish methodological and substantive research on the history of concepts and related disciplines, such as the history of political thought, intellectual history, and political theory, and to contribute to the dissemination of information about scholarship, publications, and events in these fields of inquiry.