Originally published in 1943, this book presents the content of Plea and Memoranda rolls preserved in the archive of the City of London covering the period 1413 to 1437. Written during an important period of the City's development, they throw considerable light on municipal law and legal custom. Detailed notes are incorporated throughout, together with indexes of names, places and subjects. A comprehensive editorial introduction is also provided. This book will be of value to anyone with an interest in the history of London and the development of the English legal system.