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  1. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 17
    Date: 1874
    Page Range: 175--211
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  2. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 16
    Date: 1873
    Page Range: 16--25
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  3. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 21
    Date: 1878
    Page Range: 81--114
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  4. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 14
    Date: 1892
    Page Range: 143--144
    Publication Info: Leyden, E.J. Brill, 1880-1914
  5. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 9
    Date: 1887
    Page Range: 219--222
    Publication Info: Leyden, E.J. Brill, 1880-1914
  6. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 35
    Date: 1913
    Page Range: 200--200
    Publication Info: Leyden, E.J. Brill, 1880-1914
  7. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 35
    Date: 1913
    Page Range: 176--176
    Publication Info: Leyden, E.J. Brill, 1880-1914
  8. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 36
    Date: 1914
    Page Range: 163--164
    Publication Info: Leyden, E.J. Brill, 1880-1914
  9. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 16
    Date: 1873
    Page Range: 224--228
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  10. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 19
    Date: 1876
    Page Range: 43--50
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  11. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 34
    Date: 1912
    Page Range: 183--184
    Publication Info: Leyden, E.J. Brill, 1880-1914
  12. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 12
    Date: 1890
    Page Range: 29--40
    Publication Info: Leyden, E.J. Brill, 1880-1914
  13. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 14
    Date: 1892
    Page Range: 45--48
    Publication Info: Leyden, E.J. Brill, 1880-1914
  14. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 18
    Date: 1896
    Page Range: 131--133
    Publication Info: Leyden, E.J. Brill, 1880-1914
  15. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 10
    Date: 1888
    Page Range: 175--176
    Publication Info: Leyden, E.J. Brill, 1880-1914
  16. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 15
    Date: 1893
    Page Range: 141--143
    Publication Info: Leyden, E.J. Brill, 1880-1914
  17. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 3
    Date: 1881
    Page Range: 29--30
    Publication Info: Leyden, E.J. Brill, 1880-1914
  18. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 3
    Date: 1881
    Page Range: 77--78
    Publication Info: Leyden, E.J. Brill, 1880-1914
  19. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 3
    Date: 1881
    Page Range: 158--160
    Publication Info: Leyden, E.J. Brill, 1880-1914
  20. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 10
    Date: 1888
    Page Range: 253--254
    Publication Info: Leyden, E.J. Brill, 1880-1914
  21. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 3
    Date: 1881
    Page Range: 5--6
    Publication Info: Leyden, E.J. Brill, 1880-1914
  22. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 19
    Date: 1897
    Page Range: 133--134
    Publication Info: Leyden, E.J. Brill, 1880-1914
  23. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 3
    Date: 1881
    Page Range: 39--40
    Publication Info: Leyden, E.J. Brill, 1880-1914
  24. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 3
    Date: 1881
    Page Range: 15--16
    Publication Info: Leyden, E.J. Brill, 1880-1914
  25. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 14
    Date: 1892
    Page Range: 1--6
    Publication Info: Leyden, E.J. Brill, 1880-1914
  26. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 2
    Date: 1880
    Page Range: 217--219
    Publication Info: Leyden, E.J. Brill, 1880-1914
  27. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 7
    Date: 1885
    Page Range: 29--30
    Publication Info: Leyden, E.J. Brill, 1880-1914
  28. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 4
    Date: 1882
    Page Range: 190--192
    Publication Info: Leyden, E.J. Brill, 1880-1914
  29. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 34
    Date: 1912
    Page Range: 175--176
    Publication Info: Leyden, E.J. Brill, 1880-1914
  30. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 2
    Date: 1880
    Page Range: 246--248
    Publication Info: Leyden, E.J. Brill, 1880-1914
  31. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 11
    Date: 1889
    Page Range: 1--2
    Publication Info: Leyden, E.J. Brill, 1880-1914
  32. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 58
    Date: 1915
    Page Range: 244--250
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  33. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 35
    Date: 1913
    Page Range: 224--224
    Publication Info: Leyden, E.J. Brill, 1880-1914
  34. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 2
    Date: 1880
    Page Range: 220--224
    Publication Info: Leyden, E.J. Brill, 1880-1914
  35. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 12
    Date: 1890
    Page Range: 135--139
    Publication Info: Leyden, E.J. Brill, 1880-1914
  36. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 10
    Date: 1888
    Page Range: 201--206
    Publication Info: Leyden, E.J. Brill, 1880-1914
  37. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 10
    Date: 1888
    Page Range: 193--197
    Publication Info: Leyden, E.J. Brill, 1880-1914
  38. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 15
    Date: 1892
    Page Range: 1--12
    Publication Info: Leyden, E.J. Brill, 1880-1914
  39. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 25
    Date: 1905
    Page Range: 117--132
    Publication Info: Leyden, E.J. Brill, 1880-1914
  40. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 13
    Date: 1870
    Page Range: 111--121
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  41. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 15
    Date: 1893
    Page Range: 128--128
    Publication Info: Leyden, E.J. Brill, 1880-1914
  42. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 35
    Date: 1913
    Page Range: 177--180
    Publication Info: Leyden, E.J. Brill, 1880-1914
  43. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 35
    Date: 1913
    Page Range: 207--208
    Publication Info: Leyden, E.J. Brill, 1880-1914
  44. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 15
    Date: 1893
    Page Range: 131--140
    Publication Info: Leyden, E.J. Brill, 1880-1914
  45. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 3
    Date: 1881
    Page Range: 145--150
    Publication Info: Leyden, E.J. Brill, 1880-1914
  46. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 7
    Date: 1885
    Page Range: 39--46
    Publication Info: Leyden, E.J. Brill, 1880-1914
  47. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 6
    Date: 1884
    Page Range: 1--6
    Publication Info: Leyden, E.J. Brill, 1880-1914
  48. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 13
    Date: 1891
    Page Range: 251--254
    Publication Info: Leyden, E.J. Brill, 1880-1914
  49. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 25
    Date: 1905
    Page Range: 203--215
    Publication Info: Leyden, E.J. Brill, 1880-1914
  50. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 31
    Date: 1909
    Page Range: 254--256
    Publication Info: Leyden, E.J. Brill, 1880-1914
  51. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 31
    Date: 1888
    Page Range: 201--234
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  52. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 12
    Date: 1869
    Page Range: 30--30
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  53. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 14
    Date: 1871
    Page Range: 48
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  54. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 13
    Date: 1870
    Page Range: 32--33
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  55. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 10
    Series: 4
    Date: 1872
    Page Range: 446--448
    Publication Info: London Taylor and Francis, Ltd
  56. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 22
    Date: 1879
    Page Range: 21--57
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  57. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 35
    Date: 1913
    Page Range: 156--158
    Publication Info: Leyden, E.J. Brill, 1880-1914
  58. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 12
    Date: 1890
    Page Range: 12--12
    Publication Info: Leyden, E.J. Brill, 1880-1914
  59. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 35
    Date: 1913
    Page Range: 148--153
    Publication Info: Leyden, E.J. Brill, 1880-1914
  60. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 6
    Date: 1884
    Page Range: 81--83
    Publication Info: Leyden, E.J. Brill, 1880-1914
  61. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 13
    Date: 1891
    Page Range: 147--150
    Publication Info: Leyden, E.J. Brill, 1880-1914
  62. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 4
    Date: 1882
    Page Range: 173--174
    Publication Info: Leyden, E.J. Brill, 1880-1914
  63. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 15
    Date: 1893
    Page Range: 111--112
    Publication Info: Leyden, E.J. Brill, 1880-1914
  64. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 32
    Date: 1910
    Page Range: 219--222
    Publication Info: Leyden, E.J. Brill, 1880-1914
  65. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 20
    Date: 1899
    Page Range: 199--200
    Publication Info: Leyden, E.J. Brill, 1880-1914
  66. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 11
    Date: 1889
    Page Range: 237--238
    Publication Info: Leyden, E.J. Brill, 1880-1914
  67. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 14
    Date: 1892
    Page Range: 38--38
    Publication Info: Leyden, E.J. Brill, 1880-1914
  68. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 29
    Date: 1908
    Page Range: 261--262
    Publication Info: Leyden, E.J. Brill, 1880-1914
  69. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 14
    Date: 1892
    Page Range: 31--32
    Publication Info: Leyden, E.J. Brill, 1880-1914
  70. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 13
    Date: 1891
    Page Range: 249--250
    Publication Info: Leyden, E.J. Brill, 1880-1914
  71. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 3
    Date: 1881
    Page Range: 31--38
    Publication Info: Leyden, E.J. Brill, 1880-1914
  72. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 13
    Date: 1891
    Page Range: 151--153
    Publication Info: Leyden, E.J. Brill, 1880-1914
  73. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 4
    Date: 1882
    Page Range: 188--189
    Publication Info: Leyden, E.J. Brill, 1880-1914
  74. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 4
    Date: 1882
    Page Range: 175--176
    Publication Info: Leyden, E.J. Brill, 1880-1914
  75. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 34
    Date: 1912
    Page Range: 123--127
    Publication Info: Leyden, E.J. Brill, 1880-1914
  76. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 2
    Date: 1880
    Page Range: 249--250
    Publication Info: Leyden, E.J. Brill, 1880-1914
  77. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 19
    Date: 1897
    Page Range: 125--126
    Publication Info: Leyden, E.J. Brill, 1880-1914
  78. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 17
    Date: 1895
    Page Range: 49--50
    Publication Info: Leyden, E.J. Brill, 1880-1914
  79. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 3
    Date: 1881
    Page Range: 7--9
    Publication Info: Leyden, E.J. Brill, 1880-1914
  80. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 9
    Date: 1887
    Page Range: 127--128
    Publication Info: Leyden, E.J. Brill, 1880-1914
  81. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 6
    Date: 1884
    Page Range: 181--182
    Publication Info: Leyden, E.J. Brill, 1880-1914
  82. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 15
    Date: 1893
    Page Range: 13--16
    Publication Info: Leyden, E.J. Brill, 1880-1914
  83. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 11
    Date: 1889
    Page Range: 49--50
    Publication Info: Leyden, E.J. Brill, 1880-1914
  84. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 20
    Date: 1898
    Page Range: 33--34
    Publication Info: Leyden, E.J. Brill, 1880-1914
  85. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 16
    Date: 1894
    Page Range: 107--109
    Publication Info: Leyden, E.J. Brill, 1880-1914
  86. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 23
    Date: 1903
    Page Range: 229--230
    Publication Info: Leyden, E.J. Brill, 1880-1914
  87. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 34
    Date: 1912
    Page Range: 95--96
    Publication Info: Leyden, E.J. Brill, 1880-1914
  88. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 25
    Date: 1905
    Page Range: 169--170
    Publication Info: Leyden, E.J. Brill, 1880-1914
  89. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 15
    Date: 1893
    Page Range: 171--173
    Publication Info: Leyden, E.J. Brill, 1880-1914
  90. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 36
    Date: 1914
    Page Range: 191--192
    Publication Info: Leyden, E.J. Brill, 1880-1914
  91. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 36
    Date: 1914
    Page Range: 170--172
    Publication Info: Leyden, E.J. Brill, 1880-1914
  92. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 25
    Date: 1905
    Page Range: 163--165
    Publication Info: Leyden, E.J. Brill, 1880-1914
  93. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 20
    Date: 1898
    Page Range: 29--32
    Publication Info: Leyden, E.J. Brill, 1880-1914
  94. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 25
    Date: 1904
    Page Range: 103--109
    Publication Info: Leyden, E.J. Brill, 1880-1914
  95. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 18
    Date: 1896
    Page Range: 25--32
    Publication Info: Leyden, E.J. Brill, 1880-1914
  96. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 19
    Date: 1897
    Page Range: 117--124
    Publication Info: Leyden, E.J. Brill, 1880-1914
  97. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 19
    Date: 1897
    Page Range: 131--132
    Publication Info: Leyden, E.J. Brill, 1880-1914
  98. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
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    Page Range: 4--8
    Publication Info: Leyden, E.J. Brill, 1880-1914
  196. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 13
    Date: 1891
    Page Range: 154--154
    Publication Info: Leyden, E.J. Brill, 1880-1914
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    Type: Article
    In: Notes from the Leyden Museum
    Volume: 10
    Date: 1888
    Page Range: 198--198
    Publication Info: Leyden, E.J. Brill, 1880-1914
  198. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Bulletin du Muséum d'histoire naturelle
    Volume: 12
    Issue: 4
    Date: 1906
    Page Range: 196--198
    Publication Info: Paris Impr. nationale 1895-1907
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    Type: Article
    In: Notes from the Leyden Museum
    Volume: 36
    Date: 1914
    Page Range: 60--60
    Publication Info: Leyden, E.J. Brill, 1880-1914
  200. By: Ritsema, C. (Cornelius Coenraad)
    Type: Article
    In: Notes from the Leyden Museum
    Volume: 17
    Date: 1896
    Page Range: 133--140
    Publication Info: Leyden, E.J. Brill, 1880-1914