"Български лекарски съюз "@en . . . . " http://collections.ushmm.org/search/catalog/irn502214\r\n"@en . . "From the T︠S︡entralen dŭrzhaven arkhiv (Central State Archives), Bulgaria, Fond 274, Opis 1. "@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 . "The Bulgarian Medical Association was created in 1901. In the years 1947-90 it was merged with the Trade Union of Medical Workers."@en . . . "фонд 274К опис 1" . . " http://www.archives.government.bg/6-CSA"@en . . . . .