1. Resistance of chickens to the nematode, Ascaridia lineata, affected by dietary supplements;Ackert;Tr. Am. Micr. Soc.,1933
2. Resistance to parasitism affected by the fat-soluble vitamin;Ackert;J. Parasitol.,1927
3. Resistance of chickens to parasitism affected by vitamin A;Ackert;Am. J. Hyg.,1931
4. Resistance of chickens to parasitism affected by vitamin B;Ackert;Am. J. Hyg.,1931
5. Vitamin D and resistance of chickens to parasitism;Ackert;Am. J. Hyg.,1929