Study of the historical origins of a migrant worker working class in France - discusses immigration trends (1880-1939), occupational structure, geographic distribution, labour shortages in the 1920s, migration policy objectives, impact of capitalist industrialization, obstacles to social integration and social mobility, conflicting interests between the ruling class, employers and indigenous workers, etc.; argues that immigration enabled industrial enterprises to expand rapidly with adequate labour supply at low wages. Bibliography.

Sewell synthesizes the material on the social history of the French labor movement from its formative period to the first half of the 19th century. Centers on the Revolutions of 1789, 1830 and 1848.