My aim in this book is to offer preliminary steps in developing a better field for identity research in the discipline of international relations (IR). That requires a mapping exercise to clarify the foundations of the varieties of identity-based research in the discipline. That is, to achieve my goal, I need to begin by addressing two reflexive questions: How has identity been understood, theorized, and analyzed in IR? How can we make further progress if the discipline’s identity scholarship remains divided and incoherent? In addressing those questions, I develop a typology of identity...