""Forty Years of Diplomacy"" is a two-volume book written by Roman Romanovich Rosen, a Russian diplomat who served as the ambassador to the United States, Japan, and Sweden during his career. The second volume, published in 1922, covers Rosen's experiences as a diplomat during the Russo-Japanese War, the Boxer Rebellion, and the early years of World War I. It also includes his observations on the political and social climate of the countries he served...