اداره کل گمرکات ایران، احصائیه تجارتی ایران، سالهای 1299-1304 ش، تهران، 1300-1305.
مقصودلو، حسینقلی آقا، مخابرات استرآباد، بکوشش ا. افشار و م. ر. دریاگشت، نشر تاریخ ایران، تهران، 1363.
UK: NA, FO 371
Iran: Political Diaries, 1881-1965, ed. R. M. Burrell, Archives Edition, 1997.
League of Nations - Treaty Series, vols. 6(1921) and 53(1926).
روزنامه ایران
روزنامه رعد
Daily Mail (London)
Economist (London)
Financial Times (London)
New York Times (New York)
Observer (London)
Manchester Guardian (Manchester)
Times (London)
بهبودی، ﻫ.، روزشمار تاریخ معاصر ایران، ج 2 و 3، مؤسسه مطالعات و پژوهشهای سیاسی، تهران، 1388-1389
کاظم بیکی، م. ع.، دریای خزر و قدرتهای بزرگ: امپریالیزم بریتانیا 1336-1338 ﻫ . ق، مرکز اسناد و تاریخ دیپلماسی وزارت امور خارجه، تهران، 1384.
کاظم بیکی، م. ع.، روابط اقتصادی ایران و روسیه از آغاز تا سقوط قاجاریه، مرکز مطالعات سیاسی و بین المللی (وزارت امور خارجه)، تهران، 1398.
Von Bernhardi, F., Germany and the Next War, trans. by A. H. Powels, Longmans, New York, 1914.
Brandt, P., “German Perceptions of Russia and Russians in Modern History,” Journal of Contemporary Central and Eastern Europe, 11:1(2010), pp. 39-59.
Broué, p., The German Revolution, 1917-1923, Translated by J. Archer, Brill, Leiden, 2005.
Bykov, A., Soviet Foreign Trade, Princeton University Press, Princeton, 1946.
Conolly, V., Soviet Economic Policy in the East, Oxford University Press, London, 1933.
Davis, M. W., “Soviet recognition and trade,” Foreign Affairs; July 1927, pp. 650-663.
Eudin, X. J. and R. C. North, Soviet Russia and the East, 1920-1927, a Documentary Survey, Stanford University Press, Stanford, 1957.
Fischer, L., The Soviet in the World Affairs, Princeton University Press, Princeton, 1951.
Fraenkel, E., “German--Russian Relations since 1918 from Brest-Litovsk to Moscow,” The Review of Politics, 2: No. 1 (Jan., 1940), pp. 34-62.
Gaworek, N. H., “From Blockade to Trade: Allied Economic Warfare against Soviet Russia, June 1919 to January 1920,” Jahrbücher für Geschichte Osteuropas, Neue Folge, 23: H. 1 (1975), pp. 39-69.
Henderson, W. O., “German Economic Penetration in the Middle East, 1870-1914,” The Economic History Review, 18: No. 1/2 (1948), pp. 54-64.
Hilger, G., The Incompatible Allies, MacMillan, New York, 1953
Höffding, W., “German Trade with the Soviet Union,” The Slavonic and East European Review, 14: No. 41 (Jan., 1936), pp. 473-494.
“Inland Water Route from Germany to Persia,” Journal of the Society of Arts, 71(June 1923), p.499.
Kapur, H., Soviet Russia and Asia, 1917-1927, The Humanities Press, New York, 1967.
Kochan, L., “The Russian Road to Rapallo,” Soviet Studies, 2: No. 2 (Oct., 1950), pp. 109-122.
McMeekin, S., 2010: The Berlin–Baghdad Express: The Ottoman Empire and Germany’s Bid for World Power, The Belknap Press of Harvard University Press, Cambridge, 2010.
Melville, C. B., The Russian Face of Germany, An Account of the Secret Military Relations between the German and Soviet Russian Governments, London, 1932.
Miller, M. S., “Economic Conditions in Soviet Russia,” The Slavonic Review, 3: No. 8 (Dec., 1924), pp. 460-469.
Morgan, R. P., “The Political Significance of German-Soviet Trade Negotiations, 1922-5,” The Historical Journal, 6: No. 2 (1963), pp. 253-271.
Maurice, Maj. Gen. Sir F. B., “Germany Reaching for the Don valley, Aggression in Russia Aims at Route to the Caspian,” New York Times, August 1, 1918.
Nicosia, F. R., “'Drang Nach Osten' Continued? Germany and Afghanistan during the Weimar Republic, Journal of Contemporary History, 32: No. 2 (Apr., 1997), pp. 235-257.
Sadka, N. L., German Relations with Persia, 1921-1941, unpublished PhD dissertation, Stanford University, 1972.
Spargow, J., A Memorandum on Trade with Soviet Russia Submitted to the Committee on Foreign Relations of the United States Senate, January 1921, Russian Information Bureau in the U. S, New York, 1921.
Sventitski, A. S., “Transport Routes in Persia,” Journal of the Central Asian Society, 15(1928), pp. 203-223.
Sykes, Sir P., “The British Flag on the Caspian: a Side-Show of the Great War,” Foreign Affairs, Jan. 1, 1923, pp. 282-294
White, S., The Origins of Détente, The Genoa Conference and Soviet-Western Relations 1921-1922, Cambridge University Press, Cambridge, 2002.
Yanson, J. D., Foreign Trade of U. S. S. R., Gollancz, London, 1934.
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