Ruth Voris

Ruth I. Voris · U.S. Dept. of Labor, Women's Division

108 sayfa · 1926

Employment / Women / Work environment / Statistics / Hours of labor

Philip Klein, Ruth Voris · Columbia University Press

222 sayfa · 1933

Kategori yok

Ruth I. Voris · U.S. G.P.O.

118 sayfa · 1926

Women / Employment / Wages / Hours of labor / Statistics

Ruth I. Voris · U.S. G.P.O.

120 sayfa · 1927

Employment / Wages / Hours of labor / Women

Ruth I. Voris · U.S. G.P.O.

68 sayfa · 1925

Hours of labor / Employment / Women / Statistics