- Jews--Portugal--History--Congresses (2)
- Jews--Spain--History--Congresses (2)
- Portugal--Ethnic relations--Congresses (2)
- Spain--Ethnic relations--Congresses (2)
- Arabs--Portugal--History--Congresses (1)
- Arabs--Spain--History--Congresses (1)
- Marranos--Portugal--History--Congresses (1)
- Marranos--Spain--History--Congresses (1)