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- [6] The New Immigration. A Study of the Industrial and Social Life of Southeastern Europeans in American BULLETIN OF THE AMERICAN GEOGRAPHICAL SOCIETY OF NEW YORK, 1914, 46 (01): : 55 - 55
- [8] Immigration. A World Movement and Its American Significance BULLETIN OF THE AMERICAN GEOGRAPHICAL SOCIETY OF NEW YORK, 1914, 46 (01): : 55 - 55
- [9] Immigration. A world movement and its American significance PETERMANNS MITTEILUNGEN, 1914, 60 : 91 - 92