
\input{Briefe/1927/1927-01-21-Carnap-an-Burkamp-a}
\input{Briefe/1927/1927-01-27-Burkamp-an-Carnap-a}
\input{Briefe/1927/1927-06-27-Burkamp-an-Carnap-a}
\input{Briefe/1928/1928-08-17-Burkamp-an-Carnap-a}
