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  1. By: Johnson, Richard Irwin,
    Publication info: Cambridge, Mass, Dept. of Mollusks, Museum of Comparative Zoology, Harvard University, 1974
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Johnson, Richard Irwin,
    Publication info: Cambridge, Mass, Dept. of Mollusks, Museum of Comparative Zoology, Harvard University, 1974
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  3. By: Johnson, Richard Irwin,
    Publication info: Cambridge, Mass, Dept. of Mollusks, Museum of Comparative Zoology, Harvard University, 1975
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  4. By: Johnson, Richard Irwin, - Heude, Pierre Marie,
    Publication info: Cambridge, Mass, Dept. of Mollusks, Museum of Comparative Zoology, Harvard University, 1973
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  1. By: Crace-Calvert, F. (Frederick), - Johnson, Richard Irwin,
    Type: Article
    In: Memoirs of the Literary and Philosophical Society of Manchester
    Volume: 14
    Series: 2
    Date: 1857
    Page Range: 121--136
    Publication Info: Manchester, The Society, 1785-1879
  2. By: Crace-Calvert, F. (Frederick), - Johnson, Richard Irwin,
    Type: Article
    In: Memoirs of the Literary and Philosophical Society of Manchester
    Volume: 15
    Series: 2
    Date: 1860
    Page Range: 113--121
    Publication Info: Manchester, The Society, 1785-1879
  3. By: Johnson, Richard Irwin,
    Type: Article
    In: Breviora
    Volume: 270
    Date: 1967
    Page Range: 1--21
    Publication Info: Cambridge, Mass Museum of Comparative Zoology, Harvard University [1952-
  4. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 79
    Date: 2002
    Page Range: 109--133
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  5. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 78
    Date: 1999
    Page Range: 96--105
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  6. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 1
    Issue: 9
    Date: 1946
    Page Range: 109--116
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  7. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Date: 1977
    Page Range: 229--244
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  8. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 80
    Date: 2002
    Page Range: 135--147
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  9. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 58
    Date: 1977
    Page Range: 242--244
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  10. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 5
    Issue: 71
    Date: 1997
    Page Range: 371--378
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  11. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 54
    Date: 1975
    Page Range: 148
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  12. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 64
    Date: 1984
    Page Range: 330--332
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  13. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 3
    Issue: 46
    Date: 1973
    Page Range: 281--303
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  14. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 78
    Date: 1999
    Page Range: 67--81
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  15. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 79
    Date: 2002
    Page Range: 133--134
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  16. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 81
    Date: 2002
    Page Range: 174
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  17. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 66
    Date: 1984
    Page Range: 412
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  18. By: Johnson, Richard Irwin,
    Type: Article
    In: Breviora
    Volume: 213
    Date: 1965
    Page Range: 1--7
    Publication Info: Cambridge, Mass Museum of Comparative Zoology, Harvard University [1952-
  19. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 3
    Issue: 41
    Date: 1972
    Page Range: 137--173
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  20. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 3
    Issue: 35
    Date: 1967
    Page Range: 1--35
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  21. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 1
    Issue: 14
    Date: 1949
    Page Range: 213--231
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  22. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 1
    Issue: 5
    Date: 1946
    Page Range: 33--40
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  23. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 1
    Issue: 12
    Date: 1947
    Page Range: 145--156
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  24. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 62
    Date: 1983-07-22
    Page Range: 299--304
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  25. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 81
    Date: 2002
    Page Range: 149--163
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  26. By: Johnson, Richard Irwin,
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 158
    Date: 2003
    Page Range: 1--46
    Publication Info: Cambridge, Mass The Museum 1863-
  27. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 5
    Issue: 67
    Date: 1989
    Page Range: 1--143
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  28. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 80
    Date: 2002
    Page Range: 148
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  29. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 56
    Date: 1977
    Page Range: 161--187
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  30. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 5
    Issue: 76
    Date: 1998
    Page Range: 456--457
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  31. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 63
    Date: 1984-10-17
    Page Range: 305--319
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  32. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 5
    Issue: 76
    Date: 1998-01-30
    Page Range: 427--455
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  33. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 57
    Date: 1977
    Page Range: 226--227
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  34. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 78
    Date: 1999
    Page Range: 81--88
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  35. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 5
    Issue: 76
    Date: 1998
    Page Range: 458--464
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  36. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 78
    Date: 1999
    Page Range: 92--95
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  37. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 81
    Date: 2002
    Page Range: 168--173
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  38. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 5
    Issue: 76
    Date: 1998
    Page Range: 466--467
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  39. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 78
    Date: 1999
    Page Range: 89--91
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  40. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 54
    Date: 1975
    Page Range: 133--144
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  41. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 60
    Date: 1981
    Page Range: 269--288
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  42. By: Johnson, Richard Irwin,
    Type: Article
    In: Bulletin
    Volume: 239
    Date: 1964
    Page Range: 1--182
    Publication Info: Washington G.P.O 1907-1971
  43. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 3
    Issue: 46
    Date: 1973
    Page Range: 304
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  44. By: Johnson, Richard Irwin,
    Type: Article
    In: Johnsonia
    Volume: 2
    Issue: 30
    Date: 1951
    Page Range: 288--288
    Publication Info: Cambridge, Mass, Dept. of Mollusks, Museum of Comparative Zoölogy, Harvard University, 1941-
  45. By: Johnson, Richard Irwin,
    Type: Article
    In: The Nautilus
    Volume: 116
    Date: 2002
    Page Range: 132--137
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  46. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 59
    Date: 1981
    Page Range: 267--268
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  47. By: Johnson, Richard Irwin,
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 148
    Date: 1978
    Page Range: 239--321
    Publication Info: Cambridge, Mass The Museum 1863-
  48. By: Johnson, Richard Irwin,
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 140
    Date: 1970
    Page Range: 263--449
    Publication Info: Cambridge, Mass The Museum 1863-
  49. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 77
    Date: 1999
    Page Range: 66
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  50. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 50
    Date: 1974
    Page Range: 50--52
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  51. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 81
    Date: 2002
    Page Range: 164--168
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  52. By: Johnson, Richard Irwin,
    Type: Article
    In: Bulletin of the British Museum (Natural History) Zoology
    Volume: 20
    Date: 1971-01-20
    Page Range: 73--108
    Publication Info: London, BM(NH),
  53. By: Johnson, Richard Irwin,
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 120
    Date: 1959
    Page Range: 429--479
    Publication Info: Cambridge, Mass The Museum 1863-
  54. By: Johnson, Richard Irwin,
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 155
    Date: 1996
    Page Range: 159--214
    Publication Info: Cambridge, Mass The Museum 1863-
  55. By: Johnson, Richard Irwin,
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 154
    Date: 1994
    Page Range: 1--61
    Publication Info: Cambridge, Mass The Museum 1863-
  56. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 6
    Issue: 77
    Date: 1999
    Page Range: 1--66
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  57. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 52
    Date: 1975
    Page Range: 103--104
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  58. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 54
    Date: 1975
    Page Range: 145--147
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  59. By: Johnson, Richard Irwin,
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 51
    Date: 1975
    Page Range: 91--92
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  60. By: Johnson, Richard Irwin,
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 149
    Date: 1980
    Page Range: 77--189
    Publication Info: Cambridge, Mass The Museum 1863-
  61. By: Johnson, Richard Irwin, - Boss, Kenneth J. (Kenneth Jay),
    Type: Article
    In: Occasional papers on mollusks
    Volume: 3
    Issue: 43
    Date: 1972
    Page Range: 193--233
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  62. By: Johnson, Richard Irwin, - Boss, Kenneth J. (Kenneth Jay),
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 63
    Date: 1984
    Page Range: 319--320
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  63. By: Johnson, Richard Irwin, - Clark, Arthur H
    Type: Article
    In: Occasional papers on mollusks
    Volume: 4
    Issue: 61
    Date: 1983-07-22
    Page Range: 289--298
    Publication Info: Cambridge, Mass, Dept. of Mollusks,
  64. By: Kabat, Alan R. - Johnson, Richard Irwin,
    Type: Article
    In: Breviora
    Volume: 544
    Date: 2015
    Page Range: 1--20
    Publication Info: Cambridge, Mass Museum of Comparative Zoology, Harvard University [1952-