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  1. By: Botanic Gardens (Singapore) - Burkill. I. H. (Isaac Henry), - Holttum, R. E. (Richard Eric), - Ridley, H. N. (Henry Nicholas),
    Publication info: 1907-1942
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  2. By: Botanic Gardens (Singapore) - Corner, E. J. H. (Edred John Henry) - Holttum, R. E. (Richard Eric),
    Publication info: 1928-1951
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  3. By: Botanic Gardens (Singapore) - Holttum, R. E. (Richard Eric),
    Publication info: 1933-1940,
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  4. By: Botanic Gardens (Singapore) - Holttum, R. E. (Richard Eric),
    Publication info: 1925-1926
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  5. By: Botanic Gardens (Singapore) - Holttum, R. E. (Richard Eric),
    Publication info: 1938
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  6. By: Botanic Gardens (Singapore) - Holttum, R. E. (Richard Eric), - Ridley, H. N. (Henry Nicholas), - Burkill. I. H. (Isaac Henry),
    Publication info: 1915-1936
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  7. By: British Legion Poppy Factory. - Holttum, R. E. (Richard Eric),
    Publication info: 1934-1937,
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  8. By: Burkill. I. H. (Isaac Henry), - Holttum, R. E. (Richard Eric),
    Publication info: 1925-1935
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  9. By: Holttum, R. E. (Richard Eric),
    Publication info: 1925-1935
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  10. By: Holttum, R. E. (Richard Eric), - Steenis, C. G. G. J. van (Cornelis Gijsbert Gerrit Jan) - Kebun Raya Indonesia. - Lembaga Biologi Nasional. - Rijksherbarium (Netherlands)
    Publication info: Boston, M. Nijhoff/W. Junk, 1959-
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  1. By: Burkill. I. H. (Isaac Henry), - Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 3
    Series: 3
    Date: 1923
    Page Range: 19--32
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  2. By: Burkill. I. H. (Isaac Henry), - Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 3
    Series: 3
    Date: 1923
    Page Range: 32--110
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  3. By: Christensen, Carl, - Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 7
    Series: 3
    Issue: 3
    Date: 1934
    Page Range: 191--316
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  4. By: Furtado, C. X. - Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 17
    Series: 4
    Date: 1960
    Page Range: 350--356
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  5. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 3
    Series: 3
    Date: 1923
    Page Range: 11--12
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  6. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 5
    Series: 3
    Issue: 3
    Date: 1931
    Page Range: 207--211
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  7. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 27
    Series: 4
    Date: 1974
    Page Range: 143--154
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  8. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 16
    Series: 4
    Date: 1958
    Page Range: 1--135
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  9. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 27
    Issue: 4
    Date: 1946
    Page Range: 340--346
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  10. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 27
    Series: 4
    Date: 1974
    Page Range: 155--165
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  11. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 35
    Series: 4
    Issue: 1
    Date: 1982
    Page Range: 65--68
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  12. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 33
    Series: 4
    Date: 1980
    Page Range: 1--30
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  13. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 11
    Series: 3
    Issue: 2
    Date: 1947
    Page Range: 74--108
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  14. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 34
    Series: 4
    Date: 1981
    Page Range: 132--147
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  15. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 9
    Series: 3
    Issue: 1
    Date: 1935
    Page Range: 73--78
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  16. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 9
    Series: 3
    Issue: 2
    Date: 1937
    Page Range: 139--144
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  17. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 9
    Series: 3
    Issue: 2
    Date: 1937
    Page Range: 190--221
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  18. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: American fern journal
    Volume: 54
    Date: 1964
    Page Range: 1--9
    Publication Info: [Washington, etc.] American Fern Society
  19. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 5
    Series: 3
    Issue: 2
    Date: 1930
    Page Range: 58--71
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  20. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: Notulae systematicae
    Volume: 8
    Issue: 1
    Date: 1939
    Page Range: 48--62
    Publication Info: Paris J. Dumoulin 1909-1960
  21. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 25
    Series: 4
    Date: 1970
    Page Range: 239--246
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  22. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 12
    Series: 4
    Date: 1949
    Page Range: 295--302
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  23. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 35
    Series: 4
    Issue: 2
    Date: 1982
    Page Range: 227--229
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  24. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 22
    Series: 4
    Issue: 1
    Date: 1967
    Page Range: 67--70
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  25. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 18
    Series: 4
    Date: 1961-12-31
    Page Range: 328--329
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  26. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 17
    Series: 4
    Date: 1959
    Page Range: 339--340
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  27. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 4
    Series: 3
    Issue: 2
    Date: 1927
    Page Range: 88--92
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  28. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 13
    Series: 4
    Date: 1951
    Page Range: 254--296
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  29. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 3
    Series: 3
    Date: 1924
    Page Range: 283--283
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  30. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 35
    Series: 4
    Issue: 2
    Date: 1982
    Page Range: 235--236
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  31. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 14
    Series: 4
    Issue: 1
    Date: 1953
    Page Range: 8--8
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  32. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 4
    Series: 3
    Issue: 2
    Date: 1927
    Page Range: 56--57
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  33. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 25
    Series: 4
    Issue: 1
    Date: 1969
    Page Range: 105--108
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  34. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 13
    Series: 4
    Date: 1951-09-01
    Page Range: 251--253
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  35. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 3
    Series: 3
    Date: 1924
    Page Range: 291--291
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  36. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 4
    Series: 3
    Issue: 5
    Date: 1929
    Page Range: 408--410
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  37. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: Adansonia
    Volume: 15
    Issue: 1
    Date: 1975
    Page Range: 95--97
    Publication Info: Paris Muséum d'histoire naturelle, Laboratoire de Phanérogamie 1961-1981
  38. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 11
    Series: 4
    Date: 1947
    Page Range: 267--298
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  39. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 4
    Series: 3
    Issue: 2
    Date: 1927
    Page Range: 57--69
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  40. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 9
    Series: 3
    Issue: 2
    Date: 1937
    Page Range: 119--138
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  41. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 3
    Series: 3
    Date: 1924
    Page Range: 281--283
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  42. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 5
    Series: 3
    Issue: 3
    Date: 1931
    Page Range: 173--206
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  43. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 5
    Series: 3
    Date: 1932
    Page Range: 245--313
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  44. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 17
    Series: 4
    Date: 1959
    Page Range: 190--194
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  45. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 11
    Series: 3
    Issue: 2
    Date: 1947
    Page Range: 119--176
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  46. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 15
    Series: 4
    Date: 1956
    Page Range: 267--273
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  47. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 9
    Series: 3
    Issue: 4
    Date: 1938
    Page Range: 355--358
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  48. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 12
    Series: 4
    Date: 1949
    Page Range: 303--306
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  49. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 4
    Series: 3
    Issue: 2
    Date: 1927
    Page Range: 47--48
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  50. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 39
    Series: 4
    Date: 1986
    Page Range: 153--167
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  51. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 29
    Series: 4
    Date: 1977
    Page Range: 145--150
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  52. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 14
    Series: 4
    Issue: 1
    Date: 1953
    Page Range: 4--7
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  53. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 27
    Series: 4
    Date: 1974
    Page Range: 167--182
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  54. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 8
    Series: 3
    Issue: 4
    Date: 1935
    Page Range: 293--320
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  55. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 51
    Series: 4
    Date: 1999
    Page Range: 127--139
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  56. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 15
    Series: 4
    Date: 1956
    Page Range: 274--275
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  57. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 38
    Series: 4
    Date: 1985-12-01
    Page Range: 145--148
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  58. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: American fern journal
    Volume: 50
    Date: 1960
    Page Range: 109--113
    Publication Info: [Washington, etc.] American Fern Society
  59. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 3
    Series: 3
    Date: 1924
    Page Range: 245--257
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  60. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 17
    Series: 4
    Date: 1960
    Page Range: 361--367
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  61. By: Holttum, R. E. (Richard Eric),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 13
    Series: 4
    Date: 1950-06-30
    Page Range: 1--249
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  62. By: Holttum, R. E. (Richard Eric), - Allen, Betty Molesworth,
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 22
    Series: 4
    Issue: 1
    Date: 1967
    Page Range: 41--51
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  63. By: Holttum, R. E. (Richard Eric), - Furtado, C. X.
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 12
    Series: 4
    Date: 1949
    Page Range: 307--310
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  64. By: Lellinger, David B. - Holttum, R. E. (Richard Eric),
    Type: Article
    In: American fern journal
    Volume: 60
    Date: 1970
    Page Range: 38--39
    Publication Info: [Washington, etc.] American Fern Society
  65. By: Smith, Alan R., - Holttum, R. E. (Richard Eric),
    Type: Article
    In: American fern journal
    Volume: 73
    Date: 1983
    Page Range: 42--42
    Publication Info: [Washington, etc.] American Fern Society
  66. By: St. John, Harold, - Holttum, R. E. (Richard Eric),
    Type: Article
    In: Pacific science
    Volume: 16
    Issue: 2
    Date: 1962
    Page Range: 218--237
    Publication Info: Honolulu, University Press of Hawaii,