Columbia subject headings:
Harvard subject headings:
Jewish ghettos--Portugal--Tibaldinho--History.
Jews--Portugal--Tibaldinho--History.
Synagogues--Portugal--Tibaldinho--History.
Tibaldinho (Portugal)--Buildings, structures, etc.
Underground areas--Portugal--Tibaldinho--History.
Princeton subject headings:
Jewish ghettos--Portugal--Tibaldinho--History.
Jews--Portugal--Tibaldinho--History.
Synagogues--Portugal--Tibaldinho--History.
Tibaldinho (Portugal)--Buildings, structures, etc.
Underground areas--Portugal--Tibaldinho--History.