This report was assigned the following topical and geographical subject headings by the RFE/RL: Country Series: Bulgaria
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Records of Radio Free Europe/Radio Liberty Research Institute: Publications Department: Background Reports (HU OSA 300-8-3)
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HU OSA 300-8-3-616
"The Background of the Plovdiv Purge", 26 November 1962. HU OSA 300-8-3-616; Records of Radio Free Europe/Radio Liberty Research Institute: Publications Department: Background Reports; Open Society Archives at Central European University, Budapest.
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