. . "1 microfilm reel, 35 mm"@en . . . "T︠S︡entralen dŭrzhaven arkhiv (Bulgaria)"@en . "Contains correspondence with the branches of the union in Sliven (Bulgaria) (file 62), Svogen (file 70), and Khaskova (file 79), including topics such as prohibiting Jewish doctors from having private practices."@en . . "Union of Doctors (Fond 274, Opis 1)"@en . "Copyright Holder: T︠S︡entralen dŭrzhaven arkhiv (Bulgaria)"@en . "Arrangement of the files is numerical"@en . . . . . "irn502214" . .