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  1. By: Smith, Leslie Malcolm,
    Publication info: Berkeley, Calif, Agricultural Experiment Station, 1933
    Holding Institution: University of California, Davis Libraries
    Subjects: California  Diseases and pests  Fruit  Pear thrips  
  2. By: Foster, Shirley Watson. - Jones, P. R. (Paul Robert) - United States. Bureau of Entomology. - United States. Department of Agriculture.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Entomology, 1911
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agricultural pests  Pear thrips
  3. By: Foster, S. W. (Shirley Watson), - Jones, P. R. (Paul Robert)
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1915
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Diseases and pests  Fruit  Pear thrips
  4. By: Morris, Earl Leonard.
    Publication info: Sacramento [Calif, State Print. Off.], 1912
    Holding Institution: University of California Libraries
    Subjects: Peach-tree borer  Pear thrips
  5. By: California. State Commission of Horticulture. - Moulton, Dudley,
    Publication info: Sacramento, W. W. Shannon, supt. state printing, 1905
    Holding Institution: Cornell University Library
    Subjects: Pear thrips  
  6. By: California. State Commission of Horticulture. - Moulton, Dudley,
    Publication info: Sacramento, W.W. Shannon, supt. state printing, 1905
    Holding Institution: Library of Congress
    Subjects: Pear thrips  
  7. By: O'Brien, James T. - Snowden, Parker. - United States. State and Private Forestry. Northeastern Area.
    Edition: Rev. 5/89.
    Publication info: [Broomall, Pa.?], U.S. Dept. of Agriculture, Forest Service, Northeastern Area, 1989
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Diseases and pests  Northeastern States  Pear  Pear thrips  Trees  
  8. By: Cameron, A. E. (Alfred Ernest), - Treherne, R. C. (Reginald Charles), - Canada. Division of Entomology.
    Publication info: Ottawa, J. de L. Taché, 1918
    Holding Institution: Canadiana.org
    Subjects: British Columbia  Control  Insect pests  Pear thrips  Thrips