Author
Johns Hopkins University
44
Department of Education for the United States
19
Spojené státy americké. Bureau of Standards
10
Minnesota Geological Survey
5
California Academy of Sciences
2
Smith, James Perrin, 1864-1931
2
Adams, Herbert Baxter, 1850-1901
1
Albright, George Leslie
1
Allen, Edward E. 1861-1950
1
Blow, Suzan E.
1
Brown, Elemer Ellsworth
1
Bryce, James Bryce, Viscount, 1838-1922
1
Cattell, James McKeen, 1860-1944
1
Clarke, Isaac Edwards
1
Dabney, Charles W.
1
Draper, Andrew Sloane
1
Gittinger, Roy
1
Hailmann, W. N. 1836-1920
1
Harris, William Torrey, 1835-1909
1
Hildt, John Coffey, 1882-1938
1
Hinsdale, B. A.
1
James, Edmund J.
1
Mathews, John Mabry nar. 1883
1
Mendenhall, T. C.
1
Morrison, Gilbert B.
1
Motleg, James Marvin,
1
Parsons, James Russell
1
Perry, Edward Delavan, 1854-1938
1
Singewald, Karl nar. 1886
1
Spojené státy americké. Congress. House
1
Thomas, M. Carey
1
Washington, Booker T., 1856-1915
1
West, Andrew Fleming
1
Wilson, Woodrow, 1856-1924
1