PART I Ethnictown, 1875-1929: the French Canadians; the Franco-Belgians. Part 2 The emergence of an industrial union, 1929-1936: beginnings, 1932-1934; citywide mobilization, 1934-1936. Part 3 Working-class heyday, 1936-1941: A new, progressive Americanism; ethnic-style unionism; ethnic renaissance. Part 4 The crucial decade - and after, 1941-1960; the struggle for union power, 1941-1946; Be American! - refashioning Americanism, 1944-1946; the failure of two dreams, 1946-1960. Appendix: locals organized by ITU, 1932-1955.