Columbia subject headings:
Demography--Germany--History--Congresses.
Süssmilch, Johann Peter, 1707-1767--Congresses.
Harvard subject headings:
Demography--Congresses
Süssmilch, Johann Peter, 1707-1767
Princeton subject headings:
Demography--Germany--History--Congresses.
Süssmilch, Johann Peter, 1707-1767--Congresses.