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BROWN, N. C. Summary of costs on a flume and railroad logging operation 



in Northern California. Empire Forester, 2 (1916). 

 CHURCH, L. M. See YERKES, A. P. 

 CONNOR, L. G. Labour costs and seasonal distribution of labour on 



irrigated crops in Utah Valley. Utah Station Bulletin, No. 165 ( 1918). 

 COOPER, T. P., PECK, F. W., and Boss, A. Labour requirements of crop 



production. University of Minnesota Agricultural Experiment Station 



Bulletin, No. 157 (1916). 

 CURTLER, W. H. R. Inquiry into the rate of wages per acre in England, 



1913-1914. Monthly Bulletin of Economic and Social Intelligence, 



year vii, Nos. 8 to 10, August-October, 1916. 

 DADISMAN, A. J. See JOHNSON, O. M. 

 ELSER, W. L. See GODDARD, L. H. 

 GARRAD, G. H. The work of the motor tractor. Journal of the R.A.S.E., 



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 GODDARD, L. H., and ELSER, W. L. Labour cost of producing corn in 



Ohio. Ohio Station, Bulletin No. 266 (1913). 

 GROSSMANN. Work and wages of foreign labourers in Prussia. Georgine, 



Land- und Forstwirtschaftliche Zeitung, year vii, No. 28, p. 248, Konigs- 



berg, April, 1914. 

 JOHNSON, O. M., and DADISMAN, A. J. Amount and cost of labour required 



for growing crops in West Virginia. West Virginia Station Bulletin, 



No. 163 (1916). 

 LOSH, A. R. See TOLIN, J. J. 



MoCLURE, H. B. A study of haymaking and labour costs. U.S. Depart- 

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 MACKENZIE, K. J. J. Expenses of corn harvesting. Journal of the Board of 



Agriculture, January, 1909. 

 PECK, F. W. See COOPER, T. P. 

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of Agriculture Bulletin, No. 627 (1918). 

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methods. U.S. Department of Agriculture Bulletin, No. 627 (1918). 



VIII. DRAINAGE 

 ANON. Cost of excavating drainage ditches with steam and electric 



machines. E. S. R., vol. xxxii, 884. 

 GODDARD, L. H., and TIFFANY, H. O. The cost of tile draining A study 



of the cost of installing 35 miles of tile drains on a farm in Huron 



County, Ohio. Ohio Station Circular, 147 (1914). 

 OKEY, C. W. Cost of drainage pumping in Southern Louisiana. Engineer- 



ing News, 74(1915). 

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IX. PERIODICALS 



Journal of Accountancy. 

 Journal of Farm Economics. 



