"Text of "Treaty concerning the Cession of the Russian Possessions in North America by his Majesty the Emperor of all the Russias to the United States of America"".
Truy cập ngày 1 tháng 9 năm 2009.  ^ “Text of "Treaty concerning the Cession of the Russian Possessions in North America by his Majesty the Emperor of all the Russias to the United States of America"”.