Insect pests of food ; the control of insects in flour mills / [by J. A. Freeman and E. E. Turtle] ; with a foreword by the Director of Infestation Control.

Licence: Public Domain Mark

Credit: Insect pests of food ; the control of insects in flour mills / [by J. A. Freeman and E. E. Turtle] ; with a foreword by the Director of Infestation Control. Source: Wellcome Collection.