1. Sex differences in the normal growth rate of chicks.;Ackerson;Jl. of Agr. Res.,1931
2. On the formulation of methods of experimentation in animal production.;Forbes;Bul. of the Nat. Acad. of Sciences, 6, Part 2, No.,1923
3. Improvements on the methods of conducting feeding trials.;Grindley;Amer. Soc. Anim. Prod. Proc.:73-78.,1914
4. The refinement of feeding experiments for milk production by application of statistical methods.;Maynard;Cornell Agr. Expt. Sta. Bul.,1918
5. A technical study of the growth of White Leghorn chicks.;Mitchell;Ill. Agr. Expt. Sta. Bul.,1931