Columbia subject headings:
Harvard subject headings:
Aristocracy (Social class)--Denmark--Genealogy.
Aristocracy (Social class)--Germany--Genealogy.
Aristocracy (Social class)--Germany--North Rhine-Westphalia--Genealogy.
Aristocracy (Social class)--Livonia--Genealogy.
Aristocracy (Social class)--Silesia--Genealogy.
Denmark--Genealogy.
Germany--Genealogy.
Livonia--Genealogy.
North Rhine-Westphalia (Germany)--Genealogy.
Recke family.
Silesia--Genealogy.
Princeton subject headings:
Aristocracy (Social class)--Denmark--Genealogy.
Aristocracy (Social class)--Germany--Genealogy.
Aristocracy (Social class)--Germany--North Rhine-Westphalia--Genealogy.
Aristocracy (Social class)--Livonia--Genealogy.
Aristocracy (Social class)--Silesia--Genealogy.
Denmark--Genealogy.
Germany--Genealogy.
Livonia--Genealogy.
North Rhine-Westphalia (Germany)--Genealogy.
Reck family.
Silesia--Genealogy.