"1890-1960" . . "Marché du travail Histoire États-Unis." . . "Demography." . . "Trabajo Estados Unidos." . . "1890-1960." . . "Employment History." . . "Social Science Research Council (Estados Unidos). Committee on Labor Market Research." . . "Munkaerőgazdálkodás USA 1890-1960." . . "Arbeidsmarkt." . . "Marché du travail États-Unis Histoire." . . "Marché du travail - États-Unis - Histoire." . . . "Marché du travail États-Unis." . . "Labor supply United States." . . "Estats Units d'Amèrica." . . "Població activa." . . "Labor supply." . . . . . . . "The Labor force in the United States, 1890-1960, by John D. Durand. [Foreword, by Paul Webbink. Preface by P. K. Whelpton.]" . . . . . . . "The labor force in The United States : 1890-1960" . . . "The labor force in the United States 1890 - 1960" . . . . "The Labor Force in the United States, 1890-1960" . "The Labor Force in the United States, 1890-1960"@en . . . . . . . . . "The labor force in the United States 1890-1960" . . "The Labor force in the United States" . . . . . . . . . . "The labor force in the United States, 1890-1960" . "The labor force in the United States, 1890-1960"@en . . . . "The labor force in the United States : 1890 - 1960" . . . "The labor force in United States : 1890-1960" . . . "The labour force in the United States 1890-1960"@en . . . . . . . . . "The Labor force in the United States : 1890-1960" . "The Labor Force in the United States 1890-1960, By John D. Durand"@en . . . . . . . . . . . . "History" . "History"@en . . . "Mano d'opera - Stati Uniti d'America - 1890-1960." . . "Verenigde Staten." . . "United States." . . "Lavoro - Domanda e offerta - Stati Uniti d'America - 1890-1960." . . "Social Science Research Council (É.-U.). Committee on Labor. Market Research." . .