The Harry Ransom Humanities Research Center at the University of Texas at Austin has become, since the 1950s, well-known for its holdings in twentieth century literature. I offer here a brief description of the holdings in British theatre in the Theatre Arts Collection and the Manuscripts and Archives division of the Ransom Center. My secondary purpose is to suggest: and encourage corollary research in other Ransom Center holdings, such as its Art Collection and Photography and Film Collection. A listing of selected holdings follows this overview below, together with information on fellowships for researchers.