Columbia subject headings:
Andreas, Friedrich Carl, 1846-1930--Correspondence.
Bang, W. (Willy), 1869-1934--Correspondence.
Iranologists--Germany--Correspondence.
Turcologists--Germany--Correspondence.
Universität Göttingen--History.
Harvard subject headings:
Andreas, Friedrich Carl, 1846-1930--Correspondence.
Bang, W. (Willy), 1869-1934--Correspondence.
Iranologists--Germany--Correspondence.
Turcologists--Germany--Correspondence.
Universität Göttingen--History.
Princeton subject headings:
Andreas, Friedrich Carl, 1846-1930--Correspondence.
Bang, W. (Willy), 1869-1934--Correspondence.
Iranologists--Germany--Correspondence.
Turcologists--Germany--Correspondence.
Universität Göttingen--History.