[1] 清室優待条件 - Wikipedia (4/22/2017, 2:01:58 PM) <https://ja.wikipedia.org/wiki/%E6%B8%85%E5%AE%A4%E5%84%AA%E5%BE%85%E6%9D%A1%E4%BB%B6>

[2] 遜清皇室小朝廷 - Wikipedia (4/11/2017, 9:30:02 AM) <https://ja.wikipedia.org/wiki/%E9%81%9C%E6%B8%85%E7%9A%87%E5%AE%A4%E5%B0%8F%E6%9C%9D%E5%BB%B7>