Author
USA Bureau of the Census
22
USA
21
USA Bureau of Foreign and Domestic Commerce
21
USA Congress House of Representatives
21
USA Department of Commerce and Labor Bureau of Statistics
21
Auwers, Arthur ¬von
6
Mulhall, Michael G.
2
Rietz, Henry L. 1875-1943
2
Ayres, Leonard Porter
1
Barthelmess, Harriet M.
1
Baur, Franz, 1887-1977
1
Brinton, Willard C.
1
Charlier, C. V. L. 1862-1934
1
Charlier, Carl V. L. 1862-1934
1
Clark, John Maurice
1
Coghlan, T. A.
1
Coleman, Algernon
1
Davenport, Charles Benedict 1866-1944
1
Ebeling, Johann Dietrich Philipp Christian
1
Fick, Johann Christian
1
Hazen, Henry A.
1
International Institute of Agriculture
1
Livermore, Thomas L. 1844-1918
1
Maury, Matthew Fontaine
1
Odgers, Merle M.
1
Ott, Alfred E.
1
Rice, Stuart A. 1889-
1
Schultz, Henry
1
Secrist, Horace
1
Sinclair, John
1
Tucker, George
1
USA Navy Department
1
Walker, Helen M.
1
Willcox, Walter Francis
1
Yaremko, Robert M.
1