Author
United States. Bureau of Labor Statistics
4
Furnas, J. C. 1905-2001
3
Lauck, W. Jett 1879-1949
3
United Mine Workers of America
3
United States Anthracite Coal Commission
3
De Leon, Daniel, 1852-1914
2
Derks, Scott
2
Petersen, Arnold, 1885-1976
2
Roberts, Lydia J.
2
Stefani, Rosa Luisa
2
Zermann, Ferenc
2
Aldrich, Nelson W. 1841-1915
1
American Association of University Professors Yale University Chapter
1
Baker, O. E. 1883-1949
1
Blake, George, 1922-2020
1
Blankenburg, Rudolph, 1843-1918
1
Chapin, Robert Coit, 1863-1913
1
Clark, Marleen L.
1
Clark, William F.
1
Congress of Industrial Organizations (U.S.)
1
Cummings, Richard Osborn
1
Davie, Maurice Rea
1
Drummond, J. C.
1
Eliot, Thomas D. 1889-1973
1
Falkner, Roland P.
1
Gini, Corrado, 1884-1965
1
Gould, E. R. L. 1860-1915
1
Great Britain. Board of Trade
1
Henderson, Yandell, 1873-1944
1
Holdsworth, John Thom, 1873-
1
Jones, Rosalie
1
King, Clyde L. 1879-1937
1
Kuczynski, Robert René, 1876-1947
1
Layng, W. John
1
Leven, Maurice
1
McGuire, Laurence M. D.
1
Morimoto, Kokichi, 1879-
1
Mossell, Sadie Tanner
1
Moulton, Harold Glenn, 1883-1965
1
Murray, Philip, 1886-1952
1
Nasu, Shiroshi, 1888-1984
1
Nearing, Scott, 1883-
1
New York Factory Investigating Commission
1
Norman Wait Harris Memorial Foundation
1
Panunzio, Constantine M. 1884-1964
1
Pelham, Anabel O.
1
Philadelphia (Pa.) Dept. of Public Works
1
Pittsburgh (Pa.)
1
Smith, Tony
1
Thomas, Roland Jay, 1900-
1
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