| Aberystwyth, National Library of Wales | 16626 | Aberystwyth | United Kingdom | https://www.library.wales |
| Aix-en-Provence, Bibliothèque de Méjanes | 683 | Aix-en-Provence | France | http://www.citedulivre-aix.com/ |
| Alava, Seminario Diocesano de Vitoria | 9556 | Alava | spain | https://diocesisvitoria.org/local/seminario-diocesano/ |
| Amiens, Bibliothèque Louis Aragon | 5420 | Amiens | France | http://bibliotheques.amiens.fr/medias/medias.aspx?INSTANCE=EXPLOITATION |
| Amsterdam, Universiteitsbibliotheek | 1815 | Amsterdam | The Netherlands | https://www.uva.nl/locaties/binnenstad/universiteitsbibliotheek.html |
| Antwerp, Plantin-Moretus Museum | 565 | Antwerp | Belgium | https://www.museumplantinmoretus.be/en |
| Aquileia, Biblioteca del Museo Archeologico Nazionale | 10865 | Aquileia | Italy | https://museoarcheologicoaquileia.beniculturali.it/servizi/biblioteca-e-archivi/#page-content |
| Archivio Soli-Muratori, Biblioteca Estense universitaria | 15970 | Modena | Italy | https://gallerie-estensi.beniculturali.it/biblioteca-estense-universitaria/?gclid=Cj0KCQiAr8eqBhD3ARIsAIe-buOJTVKuynvCv1V1DjVpZNbVwjA1WyV4SQlXOv68vGuwY6tvgLYYrmsaAmR8EALw_wcB |
| Arnhem, Gelders Archief | 1138 | Arnhem | The Netherlands | https://www.geldersarchief.nl/ |
| Athens, Benaki Museum | 5068 | Athens | Greece | https://www.benaki.org/index.php?lang=en |
| Augsburg, Staats- und Stadtbibliothek | 14320 | Augsburg | Germany | https://www.sustb-augsburg.de |
| Austin, Harry Ransom Center | 531 | Austin | United States | https://www.hrc.utexas.edu/ |
| Avignon, Bibliothèque municipale | 637 | Avignon | France | https://bibliotheques.avignon.fr |
| Barcelona, Biblioteca de la Universitat de Barcelona | 13681 | Barcelona | Spain | https://crai.ub.edu/en/about-crai/libraries/rare-book |
| Basel, Universitätsbibliothek | 5410 | Basel | Switzerland | https://www.ub.unibas.ch/ub-hauptbibliothek/ |
| Beauvais, Bibliothèque municipale | 9967 | Beauvais | France | https://culture.beauvais.fr/acteur-culturel/mediatheque-departementale-oise |
| Bednja, castle Trakošćan | 6352 | Bednja | Croatia | |
| Berlin, Bode Museum | 5092 | Berlin, Bode Museum, Münzkabinett | Germany | https://www.smb.museum/museen-und-einrichtungen/muenzkabinett/home.html |
| Berlin, Deutsche Staatsbibliothek | 3363 | Berlin | Germany | https://staatsbibliothek-berlin.de/ |
| Besançon, Bibliothèque municipale | 331 | Besançon | France | http://www.bm-besancon.fr/ |
| Bologna, Archivio di Stato | 106 | Bologna | Italy | http://www.archiviodistatobologna.it |
