1. Diagnosis and control of respiratory diseases of poultry;Brandly;North Am. Vet.,1955
2. Reproductive performance of chickens as illustrated by antibiotics in the diet;Carleson;South Dakota Agr. Expt. Sta. Tech. B.,1955
3. The therapeutic use of antibiotics for chronic respiratory disease in three laying flocks;Cover;Poultry Sci.,1955
4. A preposed plan for the control of chronic respiratory disease of chickens;Crawley;Poultry Sci.,1955
5. Egg Grading Manual, Agricultural Handbook No. 75;Hauver,1955