Holding Institutions
- ABB Asea Brown Boveri Ltd1
- Akmola oblystyq memlekettīk mūraghaty1
- Albert A. Hutler1
- Aleksandar Mosci1
- Alliance Israélite Universelle, Comite d'Anvers1
- Alton G. Brown1
- American Field Service Archives and Museum1
- American Friends Service Committee2
- American Jewish Archives1
- American Jewish Joint Distribution Committee5
- Amsterdam (Netherlands). Stadsarchief2
- Andijon Viloyati davlat arxivi1
- Andrew H. Weinstein1
- Annick Boico1
- Anton Fojn3
- Archeia Nomou Serron1
- Archiv Josef Fišera1
- Archiva Naţională a Republicii Moldovei1
- Archives Départementales du Loir-et-Cher1
- Archives Nationales d'Outre-Mer1