Pushkarev, S. G. (Sergei Germanovich), 1888-1980, compiler
Dictionary of Russian historical terms from the eleventh century to 1917
Yale University Press, 1970
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Macmillan dictionary of the history of science
edited by W.F. Bynum, E.J. Browne, Roy Porter
Macmillan Reference Books, 1989
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Allaby, Michael
Macmillan dictionary of the environment
Macmillan, 1991
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Teed, Peter
A dictionary of twentieth century history 1914-1990
Oxford University Press , 1992
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The Worldmark encyclopedia of the nations : a practical guide to the geographic, historical, political, social & economic status of all nations, their international relationships, and the United Nations system
Worldmark Press, 1960
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