A Source Book for Mediæval History is an expansive collection that offers a vivid panorama of the medieval period, combining a wide range of literary texts, documents, and transformative historical records. This anthology delves into the complexity of medieval civilization, examining themes such as feudal society, the evolution of religious thought, and the dawning of scientific inquiry. Carefully curated by Oliver J. Thatcher and Edgar Holmes McNeal, the collection exemplifies the diverse nature of medieval literature and culture, portraying a time of both routine and revolt. Each piece within this assemblage stands out for its ability to encapsulate an era that shaped the foundations of modern Europe and beyond. The editors, Thatcher and McNeal, have meticulously drawn from authors whose works resonate within significant medieval movements, including Gothic and Romanesque influences, scholasticism, and chivalric traditions. Their collective endeavor navigates through various spheres of medieval life, offering insights into the minds of theologians, philosophers, and everyday individuals. This diversity of voices from various backgrounds enhances our comprehension of the societal changes and intellectual milestones that characterized the period, shedding light on the lasting impacts seen in subsequent epochs. This anthology is indispensable for anyone yearning to traverse the multifaceted landscape of medieval history. It serves not only as a vital academic resource but also as an invitation to immerse oneself in the myriad perspectives and enduring legacies from this pivotal historical period. Readers will find themselves entranced by the profound dialogue this collection orchestrates, deepening their understanding and appreciation of the medieval age's enduring narratives and its resonant relevance in contemporary times.