Author
Johns Hopkins University
45
Department of Education for the United States
19
Erckmann, Emile
13
Pfau, Ludwig
13
Spojené státy americké. Bureau of Standards
11
Carey, Henry Charles 1793-1879
8
Meyer, Herman H. B. 1864-1937
7
United States Census Office
7
Bigelow, Jacob
6
Kapp, Friedrich
6
Minnesota Geological Survey
6
Smithsonian Institution
6
University of California, Berkeley
6
Wilson, Woodrow, 1856-1924
6
Woodward, Joseph Janvier
6
Bratter, Carl A.
5
Knortz, Karl
5
USA President
5
Baird, Spencer Fullerton 1823-1887
4
Bonn, Moritz Julius 28.06.1873-25.01.1965
4
Carlier, Auguste
4
D-Consult (firma)
4
Daenell, Ernst 1872-1921
4
Fisher, Irving 1867-1947
4
Hamilton, Alexander
4
Taussig, Frank William 1859-1940
4
USA
4
United States. Surgeon-General's Office
4
Blodget, Lorin
3
Bolen, George L.
3
Brookings, Robert S. 1850-1932
3
Brooks, John Graham
3
California Academy of Sciences
3
Carnegie, Andrew, 1835-1919
3
Centennial Exhibition
3
Chasles, Philarète
3
Coues, Elliott (1842-1899)
3
Elsner, Heinrich
3
Fisk, Otis H.
3
Fohr, Paul 1869-
3
Freund, Ernst
3
Gannett, Henry
3
Griesinger, Carl Theodor
3
Griffin, Appleton P. C. 1852-1926
3
Hasenkamp, Adolf 1874-1936
3
Historical Society of Southern California
3
International American Conference
3
Kapp, Friedrich 1824-1884
3
Kerby, William J.
3
Laughlin, James Laurence 1850-1933
3
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