Vŭnshna tŭrgovii͡a na Narodna Republika Bŭlgarii͡a.
Vneshni͡ai͡a torgovli͡a Narodnoĭ Respubliki Bolgarii.
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Item Link | Original Source |
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Limited (search only) 1960/1980 | University of Michigan |
Limited (search only) 1970/1983 | University of Michigan |
Limited (search only) 1970/1984 | University of Michigan |
Limited (search only) 1970/1985 | University of Michigan |
Limited (search only) 1975/1986 | University of Michigan |
Limited (search only) 1980/1987 | University of Michigan |
Limited (search only) 1980/1988 | University of Michigan |
Limited (search only) 1980/1990 | University of Michigan |
Limited (search only) 1995 | University of Michigan |