Spraying for Scale Insects (Classic Reprint)

Treatment for San Jos Scale (Classic Reprint), J.

Scale-Insects in New Mexico (Classic Reprint)

Scale Insects Injurious to Orchards (Classic Reprint)

Experiments With Insecticides for the San Jose Scale (Classic Reprint)

Shade Tree Insects (Classic Reprint)

Papers on Coccidæ or Scale Insects: Contents and Index (Classic Reprint)

Scale Insects of the Santa Cruz Peninsula, Vol. 1 (Classic Reprint)