Holding Institutions
- Alliance Israélite Universelle, Comite d'Anvers1
- American Friends Service Committee1
- American Jewish Archives7
- American Jewish Joint Distribution Committee2
- Anna Gustavsson1
- Archiv Josef Fišera1
- Archives départementales de la Seine-Saint-Denis1
- Archives générales du Royaume (Belgium)1
- Archives nationales (France)3
- Archivio Apostolico Vaticano3
- Archiwum Akt Nowych9
- Archiwum Państwowe w Częstochowie2
- Archiwum Państwowe w Gdańsku2
- Argentina. Ministerio de Relaciones Exteriores y Culto.1
- Arhivele Naţionale ale României1
- Arkhiyon ha-merkazi le-toldot ha-ʻam ha-Yehudi10
- Arquivo Naçional da Torre do Tombo1
- Artemis Joukowsky1
- Australian Jewish Historical Society1
- Bet lohame ha-geta'ot1