Private Papers of Robert A. Wardle. --
The Problems of Applied Entomology, By Robert A. Wardle
Entomology ... Revised by R.A. Wardle ... Fourth Edition, Etc
The Principles of Insect Control
Advances in the Zoology of Tapeworms, 1950-1970 [By] Robert A. Wardle, James A. Mcleod [And] Sydney Radinovsky
The Problems of Applied Entomology
The Zoology of Tapeworms
The Zoology of Tapeworms
General Entomology
The Physiology of Tapeworms
Entomology
Entomology
The Principles of Applied Zoology, Etc. [With a Bibliography.].
Advances in the Zoology of Tapeworms
Fish-tapeworm
The Principles of Applied Zoology
Entomology, with Special Reference to Its Ecological Aspeccts
The Principles of Insect Control
The Zoology of Topeworms...
Significant Variables in the Blowfly Environment