Analysis of information sources in references of the Wikipedia article "蒙藏條約" in Chinese language version.
It is customary for the Dalai Lama to give letters to persons, asking them to help the religion; but such letters would not be sufficient authority to warrant their concluding a treaty on behalf of Tibet.柏爾,《西藏之過去與現在》,宮廷璋譯,商務印書館,「達賴未嘗授德爾智以與蒙古訂立任何條約之權,遺德爾智之書,系屬普通信札,謹請其努力為佛教謀利益而已。」
It is customary for the Dalai Lama to give letters to persons, asking them to help the religion; but such letters would not be sufficient authority to warrant their concluding a treaty on behalf of Tibet.柏爾,《西藏之過去與現在》,宮廷璋譯,商務印書館,「達賴未嘗授德爾智以與蒙古訂立任何條約之權,遺德爾智之書,系屬普通信札,謹請其努力為佛教謀利益而已。」