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Studwell, W.E.; Hamilton, D.A.: Library of Congress Subject Heading period subdivisions for Eastern Europe excluding the Soviet Union : some proposed additions (1985)
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Blake, P.: ¬A Russian revolution comes to online (1993)
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Studwell, W.E.; Hamilton, D.A.: Library of Congress Subject Heading period subdivisions for the Soviet Union : some proposed additions (1986)
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Gendlina, E.I.: ¬The Russian Rubricator : a unified system of classificatory indexing laguages (1992)
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Dreyfuss, R.: Library of Congress Classification for judaica : recent changes (1992-1993) (1993/94)
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