Media type: E-Article Title: Die Grosstadte Nordamerikas und die Ursachen ihrer Entwicklung Contributor: Usher, Abbott Payson; Gley, Werner imprint: JSTOR, 1929 Published in: Journal of the American Statistical Association Language: Not determined DOI: 10.2307/2277336 ISSN: 0162-1459 Keywords: Statistics, Probability and Uncertainty ; Statistics and Probability Origination: Footnote: