1
2
Published 1839
Book
5
Book
7
by Duncker, Max, 1811-1886.
Published 1887
Book
8
Published 1887
Book
9
Published 1888
Book
10
Book
12
13
Published 1904
Book
14
Published 1905
Book
15
Published 1905
Book
16
Published 1906
Book
19
Published 1909
Book