Columbia subject headings:
Harvard subject headings:
Heinzel, Richard, 1838-1905--Correspondence.
Philologists--Austria--Correspondence.
Scherer, Wilhelm, 1841-1886--Correspondence.
Princeton subject headings:
Germanists--Austria--Correspondence.
Heinzel, Richard, 1838-1905--Correspondence.
Personal correspondence.
Scherer, Wilhelm, 1841-1886--Correspondence.