Books by "Fred F. Hawkins"
2 books found
The Status of Spraying Practices for the Control of Plant Lice in Apple Orchards
by Forest Milo Blodgett, Fred Carlton Stewart, George Henry Howe, James Duncan Brew, Joseph Frederick Barker, Mancel Thornton Munn, Orrin Morehouse Taylor, Percival John Parrott, U. P. Hedrick
1915