1. The Influence of the Nutritional State of the Sheep on its Susceptibility to Infestation with the Stomach Worm, Haemonchus contortus.;Fraser;Emp. J. exp. Agric.,1933
2. The Specific Diagnosis of Nematode Infestation in Sheep.;Mönnig;17th Rep. Direct. Vet. Serv. and Anim. Indust. Union S. Africa,1931