"The Life and Death of Jan van Barneveld, Advocate of Holland: With a Review of the Principal Causes and Movements of the Thirty Years' War, 1614-17" is a historical work by the noted American historian John Lothrop Motley. The book examines in detail the life and political career of Jan van Barneveld, a prominent Dutch lawyer who played an important role in the political events of the late 16th and early 17th centuries. The author also begins to analyze the main reasons and events that preceded the Thirty Years' War, which engulfed Europe. This work is considered a classic source for understanding the political situation and interstate relations during that period of history.