Narodna biblioteka "Sveti sveti Kiril i Metodiĭ"
Biblioteca Nacional San Cirilo y San Metodio
Nationalbibliothek "Hl. Kyrill und Method"
St. st. Cyril and Methodius National Library
Bulgaria. St. st. Cyril and Methodius National Library
Bulgaria. Narodna biblioteka "Sv. sv. Kiril i Metodiĭ"
Cyril ve Methodius Kütüphanesi
NBKM
SS Cyril and Methodius National Library
Nationalbibliothek "Hll. Kyrill und Methodius"
Narodnai︠a︡ biblioteka im. "Sv. sv. Kirilla i Mefodii︠a︡"
Bibliothèque nationale "St. Cyrille et St. Méthode"