2
5
published 1930
Book
6
by Thorwirth, Paul
Published in Der Kolonialfreund (1928)
BookPart
8
by Luschan, Felix von
published 1927
Book
9
by Eickstedt, Egon von
published 1926
Book
10
by Birket-Smith, Kaj
published 1925
Book
11
by Heine-Geldern, Robert
published 1921
Book
12
by Mieses, Matthias
published 1919
Book
13
14
by Torres, Luis Maria
published 1911
Book
15
by Koch-Grünberg, Theodor
published 1910
Book
16
by Matthan, John Mathew
published 1910
Book
17
by Starr, Frederick
published 1909
Book
18
Book
19
by Luschan, Felix von
published 1907
Book
20
by Hübner, Georg
published 1907
Book