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  1. Type: Article
    In: Lasca leaves
    Volume: 5
    Issue: Summer 1955
    Date: 1955
    Page Range: 70
    Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976
    Subjects: Longwood Foundation  Seibert, Russell J.  
  2. Type: Article
    In: Lasca News
    Volume: 1957
    Date: 1957
    Page Range: 1-3
    Publication Info: Arcadia, Calif, Los Angeles State and County Arboretum,
    Subjects: Death Valley Days (Television program)  Flowers -- Research  Freed, Arthur, 1894-1973  Longwood Foundation  Nature study -- Activity programs -- California  Relief models  Trees -- Identification -- Study and teaching  
  3. Type: Article
    In: LASCA miscellanea
    Volume: 5
    Date: 1957
    Page Range: 30-32
    Publication Info: Arcadia, Los Angeles State and County Arboretum ; Prepared for distribution by California Arboretum Foundation, Inc, 1953-
    Subjects: Cistus  Fire resistant plants -- California  Flowers -- Research  Longwood Foundation  Plant hormones -- Research  Plants -- Effect of gibberellic acid on  
  4. Type: Article
    In: LASCA miscellanea
    Volume: 1958
    Date: 1958
    Page Range: 40-45
    Publication Info: Arcadia, Los Angeles State and County Arboretum ; Prepared for distribution by California Arboretum Foundation, Inc, 1953-
    Subjects: Avocado -- Varieties  California. Department of Public Health  Catcott, E. J. (Earl J.)  Chicks -- Research  Ching, Francis  Cross, Ronald  Fire resistant plants -- California  Flowers -- Research  Longwood Foundation  Longwood Gardens (Kennett Square, Pa.)  Oranges -- Research  Plant regulators -- Research  Plants -- Effect of gibberellic acid on -- Califor  Smog -- California -- Research  Urban, William D.  Went, F. W. (Fritz Warmolt), 1903-