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  1. By: Howell, John Thomas, - California Academy of Sciences. Department of Botany.
    Holding Institution: California Academy of Sciences
  2. By: Howell, John Thomas, - Eastwood, Alice,
    Publication info: San Fransisco, [J. T. Howell], 1932-1966
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: Early Women in Science | Women in Natural History
  1. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 2
    Date: 1931
    Page Range: 39--40
    Publication Info: Berkeley, California Botanical Society,
  2. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 2
    Date: 1931
    Page Range: 47--48
    Publication Info: Berkeley, California Botanical Society,
  3. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 1
    Date: 1929
    Page Range: 243--253
    Publication Info: Berkeley, California Botanical Society,
  4. By: Howell, John Thomas,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 20
    Series: 4
    Date: 1931
    Page Range: 105--128
    Publication Info: San Francisco California Academy of Sciences
  5. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 7
    Date: 1944
    Page Range: 181--184
    Publication Info: Berkeley, California Botanical Society,
  6. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 22
    Date: 1973
    Page Range: 144--144
    Publication Info: Berkeley, California Botanical Society,
  7. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 22
    Date: 1973
    Page Range: 151--151
    Publication Info: Berkeley, California Botanical Society,
  8. By: Crum, Ethel Katherine. - Abrams, Le Roy, - Babcock, E. B. (Ernest Brown), - Epling, Carl, - Ferris, Gordon Floyd, - Howell, John Thomas, - Miller, A H - Mason, H. L. (Herbert Louis), - Miller, L H - Darlington, C. D. (Cyril Dean), - Clausen, Jens (Jens Christian), - Sumner, Francis B. (Francis Bertody), - Keck, David Daniels, - Dobzhansky, Theodosius, - Mcminn, H E
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 2
    Date: 1933
    Page Range: 110--112
    Publication Info: Berkeley, California Botanical Society,
  9. By: Jepson, Willis Linn, - Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 1
    Date: 1929
    Page Range: 278--281
    Publication Info: Berkeley, California Botanical Society,
  10. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 1
    Date: 1929
    Page Range: 276--277
    Publication Info: Berkeley, California Botanical Society,
  11. By: Howell, John Thomas, - Porter, Duncan M
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 32
    Series: 4
    Date: 1968
    Page Range: 581--586
    Publication Info: San Francisco California Academy of Sciences
  12. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 2
    Date: 1930
    Page Range: 11--15
    Publication Info: Berkeley, California Botanical Society,
  13. By: Howell, John Thomas,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 25
    Series: 4
    Date: 1944
    Page Range: 357--376
    Publication Info: San Francisco California Academy of Sciences
  14. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 1
    Date: 1929
    Page Range: 213--214
    Publication Info: Berkeley, California Botanical Society,
  15. By: Heckard, Lawrence R - Howell, John Thomas, - Bacigalupi, Rimo
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 19
    Date: 1967
    Page Range: 97--108
    Publication Info: Berkeley, California Botanical Society,
  16. By: Howell, John Thomas,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 22
    Series: 4
    Date: 1937
    Page Range: 99--110
    Publication Info: San Francisco California Academy of Sciences
  17. By: Howell, John Thomas,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 21
    Series: 4
    Date: 1935
    Page Range: 277--284
    Publication Info: San Francisco California Academy of Sciences
  18. By: Howell, John Thomas,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 21
    Series: 4
    Date: 1935
    Page Range: 329--336
    Publication Info: San Francisco California Academy of Sciences
  19. By: Howell, John Thomas,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 21
    Series: 4
    Date: 1933
    Page Range: 13--23
    Publication Info: San Francisco California Academy of Sciences
  20. By: Howell, John Thomas,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 22
    Series: 4
    Date: 1941
    Page Range: 221--271
    Publication Info: San Francisco California Academy of Sciences
  21. By: Howell, John Thomas,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 21
    Series: 4
    Date: 1933
    Page Range: 41--54
    Publication Info: San Francisco California Academy of Sciences
  22. By: Howell, John Thomas,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 21
    Series: 4
    Date: 1933
    Page Range: 87--116
    Publication Info: San Francisco California Academy of Sciences
  23. By: Howell, John Thomas,
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 2
    Date: 1931
    Page Range: 38--39
    Publication Info: Berkeley, California Botanical Society,