Biblioteca diocesana di Altamura. Gravina. Acquaviva delle Fonti
Roman Catholic Diocese of Altamura-Gravina-Acquaviva delle Fonti
Biblioteca diocesana di Altamura - Gravina - Acquaviva delle Fonti
ISTAT 2019 survey on museums and similar institutions
ISTAT 2020 survey on museums and similar institutions
ISTAT 2021 survey on museums and similar institutions
Répertoire International des Sources Musicales