The book "Diplomatic Correspondence of the American Revolution, Volume 09" is a documentary publication that contains correspondence and diplomatic notes related to the period of the American Revolution. This volume collects important documents that reflect the foreign relations of the United States with other countries during the years of the revolution. Each correspondence is reproduced accurately, taking into account the historical context and political circumstances of the time. This book is an important source for the study of international relations during the formation and establishment of the United States of America as an independent state.