Columbia subject headings:
Deutsche Staatsbibliothek--Catalogs.
Oelrichs, Johann Carl Conrad, 1722-1798--Archives--Bibliography.
Oelrichs, Johann Carl Conrad, 1722-1798--Bibliography--Catalogs.
Harvard subject headings:
Deutsche Staatsbibliothek--Catalogs.
Oelrichs, Johann Carl Conrad, 1722-1798--Archives--Bibliography.
Oelrichs, Johann Carl Conrad, 1722-1798--Bibliography--Catalogs.
Princeton subject headings:
Oelrichs, Johann Carl Conrad, 1722-1799--Library--Catalogs.