Scott Pate, Alan (9. maj 2017). Kanban: Traditional Shop Signs of Japan. New Jersey: Princeton University Press. ISBN978-0691176475. In 1871 the Dampatsurei edict forced all samurai to cut off their topknots, a traditional source of identity and pride.
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Shih, Chih-yu (Spring 2011). »A Rising Unknown: Rediscovering China in Japan's East Asia«. China Review. Chinese University Press. 11 (1): 2. JSTOR23462195.