Biodiversity Heritage Library
By "Graybill, Harry Webster. "
Directions for constructing vats and dipping cattle to destroy ticks /
By: Graybill, Harry Webster. - Ellenberger, William Penn,
Publication info: Washington, D.C.Government Printing Office,1915.
Holding Institution: University of Florida, George A. Smathers Libraries
Studies on the biology of the Texas-fever tick. (Supplementary report.)
By: Graybill, Harry Webster. - Lewallen, W. M.,
Publication info: Washington,Govt. print. off.,1912.
Holding Institution: Library of Congress
BHL Collections: Library of Congress