- Premier". The New York Times.
Sagawa Kyūbin
Saiken 3650
nichi no Tatakai:
Yonmannin no
Ishiki Kakumei. ISBN 4-87932-030-7. Fushichō
Sagawa Kyūbin: Fumetsu...
- PMID 8114493. Mori, S., & Sasaki, N. (2016). 手話を言語と言うのなら. Hitsuji-syobou. "
yonmannin shomei haikyu ugokasu".
asahi (in ****anese).
Retrieved 13
February 2017...