\input{Briefe/1933/1933-03-20-Carnap-an-Schmidt-a}
\input{Briefe/1933/1933-03-23-Schmidt-an-Carnap-a}
\input{Briefe/1933/1933-04-10-Carnap-an-Schmidt-a}
\input{Briefe/1933/1933-04-18-Schmidt-an-Carnap-a}