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Wild and cultivated plants poisonous to humans in Canada : a preliminary inventory
The culture of tobacco
The San José scale, aspidiotus perniciosus
Adulteration of mixed feeds
Trends in fresh fruit and vegetable transportation, 1963-75
Remedies for common plant and insect foes
Proceedings of the sixteenth annual meeting of the Association of Economic Entomologists
Proceedings of the eleventh annual meeting of the Association of Economic Entomologists
Proceedings of the thirteenth annual meeting of the Association of Economic Entomologists
Plant Gene Resources of Canada, list of species available for seed exchanges = Les Ressources phytogénétiques du Canada, liste d'espèces (graines) of…