The application of greases and insecticidal liquids by hand is fairly effective and practicable in cases in which there are only a few animals to be treated.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
This mixture has some insecticidal value, is a most valuable fungicide, and is also a powerful deterrent of flea-beetle attack, acting to a less degree against other insects which are apt to be found on the tomato.
"Tomato Culture: A Practical Treatise on the Tomato"
William Warner Tracy