WRIGHT, Arthur F.- The Sui Dynasty: the unification of China, A.D. 581-617; NATHAN, Andrew; ROSS, Robert S.- The Great Wall and the empty fortress: China’s search for security - 2 vols. WRIGHT, Arthur F.- The Sui Dynasty: the unification of China, A.D. 581-617.- New York: Alfred Knopf, 1978.- 237 p.; 24 cm.- E. Junto com: NATHAN, Andrew; ROSS, Robert S.- The Great Wall and the empty fortress: China’s search for security.- New York: W. W. Norton, 1997.- XVII, [3], 268 p.: il.; 24 cm.- E. Encadernação do editor, com sobrecapa.