The libraries abroad with books of TANGRA TanNakRa All BULGARIAN FOUNDATION are deposited by the National Library, Sofia

• Library of Congress, Washington DC
• Public Library, New York
• Library of the University of Indiana, Bloomington
• Library of the Stanford University, Stanford
• Library of the Washington University, Seattle
• Library of the Michigan University, Ann Arbor
• The University of California, Barkley
• The Library of Jale University, Jale
• The British Library, London
• The Bodleana Library, Oxford
• The National Library, Paris
• The Russian State Library, Moscow
• The Library for Foreign Literature, Moscow
• Institute for Sciences Information in Public Sciences, Moscow
• National Library of Belarus, Minsk
• Academy of Sciences of the Ukraine, Kiev
• National Library, Warsaw
• National Library, Prague
• National Library, Bucharest
• National Library, Belgrade
• National and University library, Scopie