[1] [CITE@ja[ウィルタ - Wikipedia]]
([TIME[2024-05-15T11:05:07.000Z]], [TIME[2024-05-27T11:31:46.776Z]])
<https://ja.wikipedia.org/wiki/%E3%82%A6%E3%82%A3%E3%83%AB%E3%82%BF>

[2] [[樺太土人]]

[3] 
[CITE@ja[10]], [TIME[2025-11-30T07:20:04.000Z]], [TIME[2025-12-27T12:03:14.257Z]] <https://www.hokkaidokaitaku.club/douminshi/10.html>