清政府对库页费雅喀人的辖治及有关问题王德厚《三姓副都统衙门满文档案》（以下简称《三姓档》）的发现、翻译和出版，不但以铁的事实证明了包括库页岛在内的黑龙江下游、乌苏里江以东的广褒地区是我国固有的领土，处于清政府设置的三姓副都统衙门的有效管辖之下；而且为... The Qing government’s jurisdiction over the Sakhalin-Jakar and its related issues The discovery, translation and publication of Wang Dehou’s Manchu Archives of the Three-side Deputy T’ong-dynasty Yamen (hereinafter referred to as the “Sanlian archives”) not only proved by the facts of iron The lower part of Heilongjiang, including Sakhalin Island, and the Guangbai region to the east of the Ussuri River are the inherent territories of our country and are under the effective jurisdiction of the Sanxingdui Duma Yamen, set up by the Qing government;