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  1. By: Green, P. S. (Peter Shaw) - Thomas, Joab L.
    Type: Article
    In: Rhodora
    Volume: 63
    Date: 1961
    Page Range: 289--291
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  2. By: Thomas, Joab L.
    Type: Article
    In: Rhodora
    Volume: 66
    Date: 1965
    Page Range: 274--274
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  3. By: Thomas, Joab L.
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 42
    Issue: 2
    Date: 1961
    Page Range: 157--164
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  4. By: Farmer, Joe A. - Thomas, Joab L.
    Type: Article
    In: Rhodora
    Volume: 71
    Date: 1969
    Page Range: 94--103
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  5. By: Thomas, Joab L.
    Type: Article
    In: Arnoldia
    Volume: 20
    Issue: 8
    Date: 1960
    Page Range: 49--51
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  6. By: Thomas, Joab L.
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 42
    Issue: 1
    Date: 1961
    Page Range: 96--106
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  7. By: Thomas, Joab L.
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 51
    Issue: 2
    Date: 1970
    Page Range: 247--250
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  8. By: Thomas, Joab L.
    Type: Article
    In: Contributions from the Gray Herbarium of Harvard University
    Issue: 186
    Date: 1960
    Page Range: 1--114
    Publication Info: [Cambridge, Mass.] Harvard University -1984]
  9. By: Thomas, Joab L.
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 42
    Issue: 1
    Date: 1961
    Page Range: 110--111
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-