The Agrarian Origins of Modern Japan. by Thomas C. Smith; Village Japan by Richard K. Beardsley, John W. Hall, Robert E. Ward; Japanese Popular Culture by Hidetoshi KatōJohn O'MalleyMN 15:3/4 (1959) pp. 447–51 → jstor.org/stable/2383449SharePrehistoric China by Chêng Tê-k’unThe Japanese Names of the Morse & The Narwhal by Frank Hawley