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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Stewart, William S.
    Type: Article
    In: Biennial report
    Volume: 1963-65
    Date: 1961
    Page Range: 15-20
    Publication Info: Los Angeles, Calif, Dept. of Arboreta & Botanic Gardens, 1959/61-
    Subjects: Air pollution -- Research  Camellias -- Research  Fire resistant plants  Hibiscus -- Research  Los Angeles State and County Arboretum -- Herbariu  Plant breeding -- Research -- California  Turf management -- California  
  2. Type: Article
    In: Newsletter Arboreta and Botanic Gardens
    Volume: 1972:May.10
    Date: 1972
    Page Range: 1
    Publication Info: Arcadia, County of Los Angeles, Public Services Division,
    Subjects: Air pollution -- Research  Hanson, George P  Thorne, Linda  Tree planting -- California -- Pasadena  
  3. By: Stewart, William S.
    Type: Article
    In: Biennial report
    Volume: 1961-63
    Date: 1961
    Page Range: 12-14
    Publication Info: Los Angeles, Calif, Dept. of Arboreta & Botanic Gardens, 1959/61-
    Subjects: Air pollution -- Research  Armillaria mellea  Camellias -- Research  Ching, Francis  Labels -- Design  Periploca ceanothiela  Plant breeding -- California  Plants -- Identification  Woglum, R. S. (Russell Sage)