With poor immigrants to America;

Míreanna comhchosúla

• Immigrant races in North America
  de réir: Roberts, Peter, 1859-1932
  Foilsithe / Cruthaithe: (1912)
• The immigration into the United States of America, from a statistical and national-economical point of view
  de réir: Schade, Louis, 1829-1903
  Foilsithe / Cruthaithe: (1856)
• Immigration and Refugee Services of America records, 1918-1985 : from the Immigration History Research Center, University of Minnesota
  Foilsithe / Cruthaithe: (2002)
• Improvability of poor pitch singing : experiments in feedback
  de réir: Welch, Graham F.
  Foilsithe / Cruthaithe: (1983)
• The immigrant labor press in North America, 1840s-1970s : an annotated bibliography
  de réir: Hoerder, Dirk
  Foilsithe / Cruthaithe: (1987)