This work investigates the historical evolution of the heraldic profession and the formalization of armorial systems during the medieval period. Sir Anthony Richard Wagner, a distinguished officer of arms and historian, utilizes his extensive expertise in genealogy and heraldry to trace how the role of the herald transitioned from a messenger to a specialized official responsible for the regulation of coats of arms. The text provides a rigorous examination of the social and legal frameworks that governed the use of heraldry in medieval Europe.

Experts and historians recognize this text as a foundational reference for the study of medieval heraldry and institutional history. Readers frequently note the academic density of the prose, which reflects the author's deep immersion in primary source materials and archival records.