. . "Documentation pertaining to Iosif Chelebi Levi from Burgas and members of his family, 1923-1945, including documents from the war period attesting to his having been in a labor battalion, until April 1943"@eng . "Documentation pertaining to Iosif Chelebi Levi from Burgas and members of his family, 1923-1945, including documents from the war period attesting to his having been in a labor battalion, until April 1943"@eng . .