3
Published 1882
Book
7
by Erdmann, Benno 1851-1921
Published 1901
Book
8
by Ament, Wilhelm, 1876-1956.
Published 1904
Book
9
by Ament, Wilhelm, 1876-1956.
Published 1906
Book
10
by Bäumer, Gertrud 1873-1954
Published 1908
Book
11
by Lhotzky, Heinrich 1859-1930
Published 1908
Book
12
by Binet, Alfred 1857-1911
Published 1911
Book
14
Book
15
by Wulffen, Erich 1862-1936
Published 1913
Book
16
by Bäumer, Gertrud 1873-1954
Published 1916
Book
17
by Gaupp, Robert Eugen
Published 1918
Book
18
Book
20
by Koffka, Kurt 1886-1941
Published 1921
Book