BIBLIOGRAPHY. 



Methods of investigation of political economy. Science of Economic Discussion. New York, 1S86. 



The influence of immigration on the United States of America. Bulletin de l'lnstitut International de Statistique, 



Vol. Ill, 1888. Separately reprinted. 

 Emigration and immigration: A study in social science, New York, 1890. 

 Science of statistics, Vol. I, Statistics and Sociology, New York, 1895. Vol. II, Statistics and Economics, New York, 



1899. 

 Die Einwanderung in die Vereinigten Staaten von Amerika. Schriften des Vereins fur Socialpolitik, Vo. LXXII, 1896. 

 Wages, statistics, and the next census. New York, 1896. 



The gold-silver controversy. Essays from the Pol. Sci. Quart., New York, 1S96, 141 pp. 

 American labor statistics. Pol. Sci. Quart., vol. 1, 1886, p. 45. 



The National Bureau of Labor and industrial depressions. Pol. Sci. Quart., vol. 1, 1886, p. 437. 

 Control of immigration, I. Pol. Sci. Quart., vol. 3, 1888, p. 46. 

 Control of immigration, II. Pol. Sci. Quart., vol 3, 1888, p. 197. 

 Control of immigration, III. PoL Sci. Quart., vol. 3, 1888, p. 409. 

 On census methods. Pol. Sci. Quart., vol. 5, 1890, p. 259. 

 Levasseur's La Population Francaise. Pol. Sci. Quart., vol. 8, 1893, p. 124. 



Assimilation of nationalities in the United States. Pol. Sci. Quart., vol. 9, 1894, p. 426. Part II, p. 649. 

 The study of statistics. Pol. Sci. Quart., vol. 10, 1895, p. 475. 

 Free silver and wages. Pol. Sci. Quart., vol. 11, 1896, p. 464. 

 A permanent census bureau. Pol. Sci. Quart., vol. 11, 1896, p. 589. 

 Movements of prices. Pol. Sci. Quart., vol. 13, 1898, p. 477. 

 Price movements and individual welfare. Pol. Sci. Quart., vol. 15, 1900, p. 14. 

 Money and prices. Pol. Sci. Quart., vol. 15, 1900, p. 196. 



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