This text investigates the methodology required for historians and researchers to effectively navigate and interpret public records. V. H. Galbraith, a distinguished medievalist and former Director of the Institute of Historical Research, provides a structured framework for understanding the nature of administrative documentation. The work outlines the evolution of record-keeping practices and the critical skills necessary for scholars to extract accurate historical data from primary sources.

Historians and archivists frequently cite this work as a foundational text for understanding the technical aspects of historical research. Experts note that while the prose reflects the academic standards of its time, it remains a highly useful reference for those engaging with primary source documentation.