Columbia subject headings:
Harvard subject headings:
Austrians--Namibia--Correspondence.
Namibia--History--1884-1915.
Physicians' spouses--Namibia--Correspondence.
Walsburg, Elisabeth von--Correspondence.
Princeton subject headings:
Austrians--Namibia--Correspondence.
Namibia--History--1884-1915.
Walsburg, Elisabeth von--Correspondence.