1. The combined slope in comparative tests of tibia and toe ash in the chick assay for vitamin D;Bliss;Poultry Sci.,1945
2. A collaborative comparison of three rations for the chick assay of vitamin D;Bliss;J. Assoc. Off. Agr. Chem.,1946
3. Studies on the chick assay for vitamin D;Campbell;III. The variability of chicks and the estimation of error from replicated group data. Poultry Sci.,1945
4. Studies on the chick assay for vitamin D;Campbell;II. A comparison of four criteria of calcification. Poultry Sci.,1945
5. Disproportionate sub-class numbers in tables of multiple classification;Snedecor;Iowa Res. Bull.,1935