1
by Kemmann, Gustav
Published 1914
Springer Berlin Heidelberg

2
by Kemmann, Gustav
Published 1917
Springer Berlin Heidelberg

3
by Kemmann, Gustav
Published 1921
Springer Berlin Heidelberg

4
by Kemmann, Gustav
Published 1909
Springer Berlin Heidelberg

5
by Schimpff, Gustav, Kemmann, Gustav
Published 1913
Springer Berlin Heidelberg