1. The comparative antirachitic efficiency of irradiated ergosterol, irradiated yeast and cod liver oil for the chicken;Bethke;Jour. Nutrition,1933
2. The artificial propagation of ring-necked pheasants;Callenbach;Poul. Sci.,1932
3. The artificial propagation of ring-necked pheasants;Callenbach;Penn. Exp. Sta. Bul.,1933
4. Feed consumption and costs in raising turkeys;Funk;Penn. Exp. Sta. Bul.,1932
5. The vitamin D requirements of growing chicks and laying hens;Murphy;Penn. Exp. Sta. Bul.,1934