Columbia subject headings:
Harvard subject headings:
Authors, Austrian--Correspondence.
Brandl, Alois, 1855-1940--Correspondence.
Pichler, Adolf, 1819-1900--Correspondence.
Princeton subject headings:
Authors, Austrian--Correspondence.
Brandl, Alois, 1855-1940--Correspondence.
Pichler, Adolf, 1819-1900--Correspondence.