This work investigates how the town of Westminster maintained social cohesion and continuity between 1200 and 1540 despite lacking formal legal incorporation. Gervase Rosser, a specialist in medieval urban history, utilizes archival records and local administrative documents to analyze the town's unique socio-economic structure. He argues that shared communal activities, such as guild participation and parochial governance, served as the primary mechanisms for managing internal tensions and ensuring the town's survival as a distinct urban entity.

Historians and scholars of the medieval period recognize this text as a foundational study on the nature of unincorporated urban centers. Readers frequently note the academic density of the prose and the meticulous archival research that supports Rosser's conclusions.