LENSEN, George Alexander.- Japanese recognition of the U.S.S.R.: Sovit-Japanese relations, 1921-1930; KAJIMA, Morinosuke.- The emergence of Japan as a world power, 1895-1925; LENSEN, George Alexander (ed. lit.).- Korea and Manchuria between Russia and Japan, 1895-1904 - 3 vols. LENSEN, George Alexander.- Japanese recognition of the U.S.S.R.: Sovit-Japanese relations, 1921-1930.- Tokyo: Sophia University, 1970.- [8], 419 p.; 23 cm.- E. Junto com: KAJIMA, Morinosuke.- The emergence of Japan as a world power, 1895-1925.- Third printing.- Rutland (Vermont), Tokyo: Charles E. Tuttle, 1971.- 403 p.; 24 cm.- E. Junto com: LENSEN, George Alexander (ed. lit.).- Korea and Manchuria between Russia and Japan, 1895-1904: the observations of Sir Ernest Satow, British Minister Plenipotenciary to Japan (1895-1900) and China (1900-1906) / selected and edited with historical introduction by George Alexander Lensen.- Tokyo: Sophia University, 1968.- [8], 296 p.; 23 cm.- E. Encadernações dos editores, com sobrecapas.