WALTER, Axel Ernst. Levas Vladimirovas and the Beginning of the Scientific Reconstruction of the Königsberg Collections of Old Books. Bibliotheca Lituana, [S. l.], v. 3, p. 41–53, 2014. DOI: 10.15388/BiblLita.2014.3.15557. Disponível em: https://www.journals.vu.lt/Bibliotheca-Lituana/article/view/15557. Acesso em: 11 apr. 2025.