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  1. John Thomas Howell botanical collecting notebook,
    By: Howell, John Thomas, - California Academy of Sciences.
    Contributed by: California Academy of Sciences
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  2. Leaflets of western botany.
    By: Eastwood, Alice, - Howell, John Thomas,
    Publication info: San Fransisco:[J. T. Howell],1932-1966.
    Contributed by: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: Early Women in Science | New York Botanical Garden
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  1. The genus Pogogyne
    By: Howell, John Thomas, 1903-1994
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 20
    Series: 4
    Date: 1931
    Page Range: 105--128
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  2. The plant genus Polygala in the Galápagos Islands
    By: Howell, John Thomas, 1903-1994 - Porter, Duncan M
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 32
    Series: 4
    Date: 1968
    Page Range: 581--586
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  3. A revision of Phacelia section Miltitzia
    By: Howell, John Thomas, 1903-1994
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 25
    Series: 4
    Date: 1944
    Page Range: 357--376
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  4. The Templeon Crocker Expedition of the California Academy of Sciences, 1932. No. 32. The plant genus Coldenia in the Galapagos Islands
    By: Howell, John Thomas, 1903-1994
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 22
    Series: 4
    Date: 1937
    Page Range: 99--110
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  5. The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 22. The vascular plants from San Nicolas Island, California
    By: Howell, John Thomas, 1903-1994
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 21
    Series: 4
    Date: 1935
    Page Range: 277--284
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  6. The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 26. New flowering plants from the Galapagos Islands
    By: Howell, John Thomas, 1903-1994
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 21
    Series: 4
    Date: 1935
    Page Range: 329--336
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  7. The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 3. The genus Mollugo in the Galapagos Islands
    By: Howell, John Thomas, 1903-1994
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 21
    Series: 4
    Date: 1933
    Page Range: 13--23
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  8. The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 40. The genus Scalesia
    By: Howell, John Thomas, 1903-1994
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 22
    Series: 4
    Date: 1941
    Page Range: 221--271
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  9. The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 5. The Cactaceae of the Galapagos Islands
    By: Howell, John Thomas, 1903-1994
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 21
    Series: 4
    Date: 1933
    Page Range: 41--54
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  10. The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 9. The Amaranthaceae of the Galapagos Islands
    By: Howell, John Thomas, 1903-1994
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 21
    Series: 4
    Date: 1933
    Page Range: 87--116
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