Kelly, Robert L.,author
Archaeology
Wadsworth, 2010
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Archaeology
SPAFA, 1984
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Archaeology
edited by Mari Pritchard Parker, Elvio Angeloni
McGraw-Hill, 2013
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Rothstein, Andrew
A history of the USSR
Penguin Books , 1950
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Legislation in the USSR
edited by P.P Gureyev and P.I. Sedugin
Progress Publishers, 1977
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