*Yokoyama Manabu 横山学, ''Ryûkyû koku shisetsu torai no kenkyû'' 琉球国使節渡来の研究, Tokyo: Yoshikawa kôbunkan (1987), 226-228.
*Yokoyama Manabu 横山学, ''Ryûkyû koku shisetsu torai no kenkyû'' 琉球国使節渡来の研究, Tokyo: Yoshikawa kôbunkan (1987), 226-228.
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*[[Yokoyama Manabu]], presentation at "[http://www.hawaii.edu/asiaref/japan/event2013/Index.htm#symposium Interpreting Parades and Processions of Edo Japan]" symposium, University of Hawaii at Manoa, 11 Feb 2013.
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*Yokoyama Manabu, presentation at "[http://www.hawaii.edu/asiaref/japan/event2013/Index.htm#symposium Interpreting Parades and Processions of Edo Japan]" symposium, University of Hawaii at Manoa, 11 Feb 2013.