William 1864-1927 Lochhead – författare

Hessian Fly in Ontario [microform]

Introduction to Heredity and Genetics [microform]

a Study of the Modern Biological Laws and Theories Relating to Animal and Plant Breeding

San José and Other Scale Insects [microform]

Prepared for the Use of Fruit Growers and Scale Inspectors

Peas and the Pea Weevil [microform]

Class Book of Economic Entomology [microform]

With Special Reference to the Economic Insects of the Northern United States and Canada

Class Book of Economic Entomology [microform]

With Special Reference to the Economic Insects of the Northern United States and Canada