| 2Culture Associates | Regno Unito | |
5
| |
| 3D Heritage | Slovenia | |
2
| |
| 3D-ICONS | Irlanda | |
3489
| |
| A. ir J. Juškų etninės kultūros muziejus
Juškos Museum of Ethnic Culture
| Lituania | |
100
| |
| A.H. Tammsaare Muuseum Vargamäel
Museum of A. H. Tammsaare
| Estonia | |
1823
| |
| Aargauer Kantonsbibliothek
Library of the Canton Aargau
| Svizzera | |
37
| |
| Aargauer Kunsthaus | Svizzera | |
24
| |
| Abbaye de la Fille-Dieu Romont
Monastery Fille-Dieu in Romont
| Svizzera | |
4
| |
| Abdij Mariënlof
Collection of Abbey of Colen in Kerniel
| Belgio | |
268
| |
| Abdij van Park
Park Abbey
| Belgio | |
44
| |
| Åbo Akademin Kirjasto
Åbo Akademi University Library
| Finlandia | |
54
| |
| Abraham Lincoln Presidential Library | Stati Uniti d'America | |
2
| |
| Abtei Pfäfers, Stiftsarchiv
Benedictine Monastery in St. Gallen - Monastery Pfäfers
| Svizzera | |
12
| |
| Academia Română
Romanian Academy in Bucharest
| Romania | |
550
| |
| Academia Română - Institutul Astronomic al Academiei Române
Romanian Academy - Astronomical Institute of the Romanian Academy
| Romania | |
2
| |
| Academia Română - Institutul de Arheologie Iași
Romanian Academy - Iași Archeological Institute
| Romania | |
1186
| |
| Academia Română - Instiutul de Arheologie și Istoria Artei
Romanian Academy - Cluj-Napoca Archeology and Art History Institute
| Romania | |
2
| |
| Academie voor de Streekgebonden Gastronomie
Academy for the regional gastronomy
| Regno dei Paesi Bassi | |
560
| |
| Academy of Natural Sciences of Drexel University, Library and Archives | Stati Uniti d'America | |
250
| |
| Accademia Filarmonica Romana
Roman Philharmonic Academy
| Italia | |
204
| |
| Across Limits | Malta | |
51.955
| |
| Actieve Interculturele Federatie +
Active Intercultural Federation +
| Belgio | |
15
| |
| AddF - Archiv der deutschen Frauenbewegung. Bibliothek
Archive of the German Women’s Movement
| Germania | |
3792
| |
| Administrația Prezidențială
Presidential Administration, Bucharest
| Romania | |
5
| |
| Administratief Centrum Gemeente Heers
Administrative Center of Municipality Heers
| Belgio | |
483
| |
| Ādžūnu bibliotēka
Ādžūni Library
| Lettonia | |
6
| |
| Aeroseum
Aeroseum
| Svezia | |
417
| |
| Aggteleki Nemzeti Park Igazgatóság
Aggtelek National Park Directorate
| Ungheria | |
2747
| |
| Agronomski fakultet, Sveučilište u Zagrebu
Faculty of Agriculture, University of Zagreb
| Croazia | |
22
| |
| Ägyptisches Museum und Papyrussammlung, Staatliche Museen zu Berlin
Egyptian Museum and Papyrus Collection, Berlin State Museums
| Germania | |
1236
| |
| Airborne Museum 'Hartenstein' | Regno dei Paesi Bassi | |
738
| |
| Ájtte, Svenskt Fjäll- och Samemuseum
Ájtte, Swedish Mountain and Sámi Museum
| Svezia | |
46.898
| |
| Ajuntament de Girona | Spagna | |
208.292
| |
| Akademie der Wissenschaften und der Literatur Mainz
Academy of Sciences and Literature Mainz
| Germania | |
54
| |
| Akershusmuseum, Norway | Norvegia | |
25
| |
| Akmenė History Museum | Lituania | |
14
| |
| Akmenės krašto muziejus
Akmenės Region Museum
| Lituania | |
22
| |
| Alabama Academy of Science | Stati Uniti d'America | |
13
| |
| Alban Berg Stiftung
Alban Berg Foundation
| Austria | |
1699
| |
| Albanian Film Archive | Albania | |
294
| |
