References

Additional sources and materials

1. Evgeny Yu. Sergeev. Russian military intelligence in the war with japan, 1904-1905. secret operation on land and sea. London-New York: Routledge, 2007. 252 p. 
 2. E.Yu. Sergeev. Russkaya razvedka v vojne s Yaponiej. Tajnye operatsii na sushe i na more, 1904-1905. London-N'yu-Jork: Rutledzh, 2007. 252 s. 
 3. Pavlov D.B., Petrov A.S., Derevyanko I.V. Tajny russko-yaponskoj vojny. Yaponskie den'gi i russkaya revolyutsiya. M., 1993. 
 4. Savel'ev V.I. Tainstvennyj Tokio//Ocherki istorii rossijskoj vneshnej razvedki./Pod red. E.M. Primakova i dr. V 6 t. M., 1996-2006. 
 5. Alekseev M. Voennaya razvedka Rossii ot Ryurika do Nikolaya II. M., 1998. T. 1-2. 
 6. Dobychina E.V. Vneshnyaya razvedka Rossii na Dal'nem Vostoke. 1895-1904 gg.: Dis.... kand. nauk. M., 2003. 
 7. Pavlov D.B. Russko-yaponskaya vojna 1904-1905 gg. M., 2004. 
 8. Schimmelpenninck van der Oye D. Russian Military Intelligence on the Manchurian Front. 1904-1905//Intelligence and National Security, 1996, Vol. XI, N 1. 
 9. Rossijskij Gosudarstvennyj voenno-istoricheskij arkhiv (RGVIA). F. 400, 2000, 13057, 14378, 165, 76/ 
 10. Rossijskij Gosudarstvennyj arkhiv Voenno-Moskogo flota (RGA VMF). F. 417, 531, 32/ 
 11. Arkhiv vneshnej politiki Rossijskoj imperii (AVPRI). F. 133, 143, 150, 148. 
 12. National Archives of the United States (NA US), Washington, D.C., Record Groups (RG) 59: Department of State. Dispatches from U.S.Consuls; RG 165: 
 13. War Department General and Special Staffs; RG 80: Secretary of Navy; RG 38: Office of the Chief of Naval Operations; The National Archives (Public Record Office), Kew, Richmond, Surrey: Foreign Office, Cabinet (Committee of Imperial Defense, C.I.D.), War Office.