Columbia subject headings:
Harvard subject headings:
Biologists--Switzerland--Correspondence.
Botanists--Switzerland--Correspondence.
Halle, Albert von, 1708-1777--Correspondence--Indexes.
Haller, Albrecht von, 1708-1777--Correspondence.
Scientists--Correspondence--Indexes.
Scientists--Switzerland--Correspondence.
Princeton subject headings:
Haller, Albrecht von, 1708-1777--Bio-bibliography.
Haller, Albrecht von, 1708-1777--Correspondence--Indexes.
Indexes.
Scientists--Correspondence--Indexes.