The Online Books Page

Books by Donald E. H. Frear:

Books in the extended shelves:

• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Agricultural chemistry, a reference text. (Van Nostrand, 1950) (page images at HathiTrust)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: A catalogue of insecticides and fungicides. (Chronica botanica Co., 1947) (page images at HathiTrust)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Chemistry of insecticides, fungicides, and herbicides (D. Van Nostrand Co., 1948) (page images at HathiTrust)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Chemistry of the pesticides. (Van Nostrand, 1955) (page images at HathiTrust)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Deposition and retention of sprays. III, Apparatus and methods for laboratory spraying (Pennsylvania State College, School of Agriculture, Agricultural Experiment Station, 1944) (page images at HathiTrust; US access only)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Deposition and retention of sprays on apples (Pennsylvania State College, School of Agriculture and Experiment Station, 1937), also by Harlan Noyes Worthley (page images at HathiTrust; US access only)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Deposition and retention of sprays on apples. II (Pennsylvania State College, School of Agriculture, Agricultural Experiment Station, 1940), also by Harlan Noyes Worthley (page images at HathiTrust; US access only)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Effect of fertilization and cultural practices on growth and yield of Concord grapevines (Pennsylvania State College, School of Agriculture, Agricultural Experiment Station, 1950), also by H. K. Fleming and R. B. Alderfer (page images at HathiTrust; US access only)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Food preferences of captive meadow mice (Pennsylvania State University, College of Agriculture, Agricultural Experiment Station, 1963), also by J. L. Mecartney (page images at HathiTrust; US access only)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Orchard sprayer performance : speed sprayer and mast sprayer compared with conventional hand spray guns (Pennsylvania State College, School of Agriculture and Experiment Station, 1948), also by H. J. Miller and F. N. Fagan (page images at HathiTrust; US access only)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Pest control materials, 1949; fungicides, herbicides, insecticides, and rodenticides: trade names, companies, uses, and active ingredients (Maine Agricultural Experiment Station, The University of Maine;, 1949), also by Alton Ernest Prince and Merle Tyson Hilborn (page images at HathiTrust; US access only)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Pest control materials, 1950: fungicides, herbicides, insecticides, rodenticides, companies, uses and active ingredients (Pennsylvania Agricultural Experiment Station, The Pennsylvania State College;, 1950), also by Merle Tyson Hilborn (page images at HathiTrust; US access only)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Pesticide handbook (College Science, 1961) (page images at HathiTrust)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Pesticide index. (College Science Publishers, 1961) (page images at HathiTrust)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: Removal of spray residues from apples (Pennsylvania State College, School of Agriculture and Experiment Station, 1935), also by Harlan Noyes Worthley (page images at HathiTrust; US access only)
• Frear, Donald E. H. (Donald Elisha Harding), 1906-: A simplified method for the rapid determination of lead residues on apples (Pennsylvania State College, School of Agriculture and Experiment Station, 1934), also by D. E. Haley (page images at HathiTrust; US access only)

Find more by Donald E. H. Frear at your library, or elsewhere.