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  1. Type: Article
    In: Delascan
    Volume: 1961
    Date: 1961
    Page Range: 1
    Publication Info: [Arcadia, Calif, California Arboretum Foundation, Inc.], 1960-1969
    Subjects: Halvorsen, Frank  Lanz, Arthur  Lerchenmuller, Joe  Los Angeles State and County Arboretum -- Landscap  
  2. Type: Article
    In: Lasca News
    Volume: 1966
    Date: 1966
    Page Range: 1-2
    Publication Info: Arcadia, Calif, Los Angeles State and County Arboretum,
    Subjects: American Orchid Society  Black, Jessie  Flower arrangement -- Study and teaching  Hahn, Jacques  Halvorsen, Frank  Memorials -- California -- Arcadia  Orchid Society of Southern California  Orchids -- Congresses and conventions  Woods, Gertrude  
  3. Type: Article
    In: Delascan
    Volume: 1966
    Date: 1966
    Page Range: 2
    Publication Info: [Arcadia, Calif, California Arboretum Foundation, Inc.], 1960-1969
    Subjects: Garden tours -- California -- Arcadia  Halvorsen, Frank  Los Angeles State and County Arboretum. Social Com  
  4. Type: Article
    In: Delascan
    Volume: 1964
    Date: 1964
    Page Range: 2
    Publication Info: [Arcadia, Calif, California Arboretum Foundation, Inc.], 1960-1969
    Subjects: Gopher snake  Halvorsen, Frank  Hayton, Ronald  Poole, Penny  
  5. Type: Article
    In: Delascan
    Volume: 1965
    Date: 1965
    Page Range: 1
    Publication Info: [Arcadia, Calif, California Arboretum Foundation, Inc.], 1960-1969
    Subjects: Halvorsen, Frank  
  6. Type: Article
    In: Delascan
    Volume: 1962
    Date: 1962
    Page Range: 1
    Publication Info: [Arcadia, Calif, California Arboretum Foundation, Inc.], 1960-1969
    Subjects: Bennett, William  Halvorsen, Frank  Herman, Donald  Mellot, Paul