1
by Ehrenberg, Richard 1857-1921
Published 1883
Book
2
by Wakefield, Edward Gibbon
Published 1889
Book
3
by Bourguin, Maurice
Published 1906
Book
7
by Neurath, Otto 1882-1945
Published 1909
Book
8
by Neurath, Otto 1882-1945
Published 1909
Book
10
by Sieveking, Heinrich 1871-1945
Published 1915
Book
12
by Neurath, Otto 1882-1945
Published 1918
Book
13
by Neurath, Otto 1882-1945
Published 1918
Book
15
Book
16
by Keynes, John Maynard 1883-1946
Published 1920
Book
17
18
by Sieveking, Heinrich 1871-1945
Published 1921
Book
19
by Bücher, Karl 1847-1930
Published 1922
Book
20
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