RUSSIA ON THE PACIFIC: THE ROLE OF THE AMUR

The key to the expansion of Russia to the Far East and to America is to be found in the loss of the valley of the Amur to China by the Treaty of Nerchinsk in 1689 and its reacquisition in the period from 1854 to 1860. R. J. Kerner, "Russian Expansion to America, Its Bibliographical Foundations, Papers of the Bibliographicul Society of America.