Verfasser
Bartlett, William Henry
1
Blattner, Karl
1
Brandard, Robert
1
Buckle, Henry Thomas
1
Carruth, William Herbert
1
Christlieb, Max
1
Darwin, George Howard
1
Faber, Frederick William
1
Foote, Shelby
1
Gunkel, Hermann
1
Havell, F. J.
1
Horn, Johann von
1
Marden, Orison Swett
1
Pockels, Agnes
1
Reiching, Carl Borromaeus
1
Ruge, Arnold
1
Smithsonian Institution
1
Wallis, Robert
1
Willis, Nathaniel Parker
1
Wolff, Werner
1