1
Published 1843
Newspaper
2
by Ehrenberg, Richard 1857-1921
Published 1883
Book
3
by Wakefield, Edward Gibbon
Published 1889
Book
4
by Bourguin, Maurice
Published 1906
Book
8
by Neurath, Otto 1882-1945
Published 1909
Book
9
by Neurath, Otto 1882-1945
Published 1909
Book
10
11
by Sieveking, Heinrich 1871-1945
Published 1915
Book
13
by Neurath, Otto 1882-1945
Published 1918
Book
14
by Neurath, Otto 1882-1945
Published 1918
Book
16
Book
17
by Keynes, John Maynard 1883-1946
Published 1920
Book
18
19
by Sieveking, Heinrich 1871-1945
Published 1921
Book
20
by Bücher, Karl 1847-1930
Published 1922
Book