Columbia subject headings:
Harvard subject headings:
Hasse, Helmut, 1898-1979--Correspondence.
Mathematicians--Austria--Correspondence.
Mathematicians--Germany--Correspondence.
Mathematics--History.
Scholz, Arnold, 1904-1942--Correspondence.
Taussky, Olga--Correspondence.
Princeton subject headings:
Hasse, Helmut, 1898-1979--Correspondence.
Mathematicians--Austria--Correspondence.
Mathematicians--Germany--Correspondence.
Mathematics--History.
Scholz, Arnold, 1904-1942--Correspondence.
Taussky, Olga--Correspondence.