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Harry Webster Graybill

3 books

Books by Harry Webster Graybill

Methods of Exterminating the T
Methods of Exterminating the Texas-Fever Tick
2022
Directions for constructing va
Directions for constructing vats and dipping cattle to destroy ticks
1912
Studies on the biology of the Texas-fever tick. (Supplementary report.)
Studies on the biology of the Texas-fever tick. (Supplementary report.)
1912