DG: Galician ethnography
DR: culture, reference works and anthologies
DC: film collection
DT: didactics, theatre policy, techniques, dramaturgy
T2: English theatre
T3: Germanic theatre
T4: Romance theatre
T5: French theatre
T6: Spanish theatre
T6A: Latin American theatre
T7P: Portuguese theatre
T7G: Galician theatre
T8: Classical theatre
T9: Slavic and Baltic theatre
T10: Basque theatre, Asian theatre, African theatre and others
DM: music
SON: DVDs (theatre)