In “Celtic MSS. in relation to the Macpherson fraud,” James Cruikshank Roger delves into the intricate interplay of literary forgery and cultural identity surrounding Gaelic literature, particularly in the wake of James Macpherson's controversial translations of Ossianic epics. Through meticulous analysis of manuscript sources, Roger critiques the authenticity of Macpherson's works while illuminating the broader implications of these forgeries on Celtic studies. Employing a rigorous academic style, the text situates itself within the rich tapestry of 18th-century literary critiques and examines how these fabricated texts influenced the perception of Celtic heritage, ultimately questioning notions of authenticity in cultural preservation. James Cruikshank Roger, a distinguished scholar in Celtic studies, brings to this work a wealth of knowledge derived from his extensive research into Gaelic literature and its historiography. His expertise is informed by a lifelong passion for uncovering the complexities of cultural narratives and a commitment to preserving the integrity of Celtic traditions. Roger's scholarly journey is marked by a critical lens through which he scrutinizes literary romanticism and its impacts on national identity. This book is essential for anyone interested in the intersections of literature, history, and cultural authenticity. Roger's insights challenge readers to reconsider the legacy of literary forgeries and their resonance in contemporary understandings of cultural narratives. Aimed at academics and enthusiasts alike, it offers a profound exploration of the implications of the Macpherson controversy that still reverberate in the study of Celtic heritage today.