51. Advances in Parasitology: v. 18 (Advances in Parasitology)
	52. Diseases and Plant Population Biology (Cambridge Studies in Ecology)
	53. Endocrine System (Monographs on the Pathology of Laboratory Animals) £976.33
	54. Animal Toxicity Studies: Their Relevance for Man - Workshop Proceedings (CMR Workshop)
	55. Parasitology: The Biology of Animal Parasites
	56. Pests and Parasites as Migrants
	57. Introduction to Forest and Shade Tree Insects £171.95
	58. Advances in Parasitology: v. 20 (Advances in Parasitology)
	59. Kinne Diseases V 4: 004
	60. Principles of Plant Pathology

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