1. On the error of counting with a haemaoytometer;Biometrika,1907
2. The probable error of a mean;Biometrika,1908
3. Probable error of a correlation coefficient;Biometrika,1908
4. The distribution of the means of samples which are not drawn at random;Biometrika,1909
5. Appendix to Mercer and Hall's paper on ‘The experimental error of field trials;J.Agric.Soc.,1911